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Selina solutions for Concise Physics Class 6 ICSE chapter 2 - Physical Quantities and Measurement [Latest edition]

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Concise Physics Class 6 ICSE - Shaalaa.com

Chapter 2: Physical Quantities and Measurement

Objective questionsShort/Long answer questionsAdditional questionsCheck your progressExercises

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Objective questions

Objective questions | Q 1.1

Write true or false.

S.I. unit of temperature is Fahrenheit.

  • True

  • False

Objective questions | Q 1.2

Write true or false.

Every measurement involves two things – a number and a unit.

  • True

  • False

Objective questions | Q 1.3

Write true or false.

Mass is the measure of quantity of matter.

  • True

  • False

Objective questions | Q 1.4

Write true or false.

The S.I. unit of time is hour.

  • True

  • False

Objective questions | Q 1.5

Write true or false.

The area can be expressed as the product of length of two sides.

  • True

  • False

Objective questions | Q 2.1

Fill in the blank:

The S.I. unit of length is ............ of time is ............ of mass is ............

Objective questions | Q 2.2

Fill in the blank:

°C is the unit of ......................

Objective questions | Q 2.3

Fill in the blank:

1 metric tonne = .............

Objective questions | Q 2.4

Fill in the blank:

The zero mark in Celsius thermometer is the melting point of ...........

Objective questions | Q 2.5

Fill in the blank:

The thermometer used to measure the human body temperature is called the ........... thermometer.

Objective questions | Q 2.6

Fill in the blank:

The normal temperature of human body is ............ °C or...........°F.

Objective questions | Q 2.7

Fill in the blank:

The ............ of an object is measured with the help of a beam balance.

Objective questions | Q 3

Match the following column:

 Column A   Column B
(a) Length of a housing plot (1) Clock
(b) Breadth of a book (2) Beam balance
(c) Mass of an apple  (3) Thermometer
(d) Period of time for study  (4) Measuring tape
(e) Temperature of a body (5) Graph paper
(f) Surface area of a leaf (6) Metre ruler
Objective questions | Q 4.1

Select the correct alternative:

The symbol of degree celsius is

  • °C

  • °F

  • K

  • °K

Objective questions | Q 4.2

Select the correct alternative:

lO mm is equal to

  • 1cm

  • 1m

  • 10dm

  • 10cm

Objective questions | Q 4.3

Select the correct alternative:

The amount of surface occupied by an object is called its:

  • volume

  • area

  • mass

  • length

Objective questions | Q 4.4

Select the correct alternative:

A metre ruler is graduated in:

  • m

  • cm

  • mm

  • km

Objective questions | Q 4.5

Select the correct alternative:

A thermometer is graduated in:

  • kelvin

  • °C

  • g

  • cm

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Short/Long answer questions

Short/Long answer questions | Q 1

What is measurement? How is a measurement expressed?

Short/Long answer questions | Q 2

State two characteristics of a unit.

Short/Long answer questions | Q 3

Name four basic measurements in our daily life.

Short/Long answer questions | Q 4

What are the S.I. units of

  1.  mass
  2.  length
  3.  time and
  4.  temperature.

Write their names and symbols.

Short/Long answer questions | Q 5

Define one metre, the S.I. unit of length. State it's one multiple and one submultiple.

Short/Long answer questions | Q 6.1

Convert the following quantity as indicated :

12 inch = ft

Short/Long answer questions | Q 6.2

Convert the following quantity as indicated:

1 ft = cm

Short/Long answer questions | Q 6.3

Convert the following quantity as indicated:

20 cm = m

Short/Long answer questions | Q 6.4

Convert the following quantity as indicated:

4.2 m = cm

Short/Long answer questions | Q 6.5

Convert the following quantity as indicated:

0.2 km = m

Short/Long answer questions | Q 6.6

Convert the following quantity as indicated:

0.2 cm = mm

Short/Long answer questions | Q 6.7

Convert the following quantity as indicated:

1 yard = m

Short/Long answer questions | Q 7

Describe in steps how would you measure the length of a pencil using a metre rule. Draw a diagram if necessary.

Short/Long answer questions | Q 8

Name the device which you will use to measure the perimeter of your playground. Describe in steps how you will use it.

Short/Long answer questions | Q 9

The diagram below shows a stick placed along a metre RULER. The length of the stick is measured keeping the eye at positions A, B, and C.

Short/Long answer questions | Q 10

Define mass. State its (1) S.I. (2) C.GS and (3) EP.S. units. How are they related?

Short/Long answer questions | Q 11.1

Convert the following quantity as indicated:

2500 kg = ………. metric tonne.

Short/Long answer questions | Q 11.2

Convert the following quantity as indicated:

150 kg = quintal

Short/Long answer questions | Q 11.3

Convert the following quantity as indicated:

10 lb = ………. kg

Short/Long answer questions | Q 11.4

Convert the following quantity as indicated:

250 g = …....... kg

Short/Long answer questions | Q 11.5

Convert the following quantity as indicated:

0.01 kg = ………. g

Short/Long answer questions | Q 11.6

Convert the following quantity as indicated:

5 mg = ………. kg

Short/Long answer questions | Q 12

Name the instrument which is commonly used to measure the mass of a body. State how is it used?

Short/Long answer questions | Q 13

Define one kilogram, the S.I. unit of mass. How is it related to (i) quintal (ii) metric tonne and (iii) gram.

Short/Long answer questions | Q 14

Name and define the S.I. unit of time. How is it related to (i) minute (ii) hour, (iii) day, and (iv) year?

Short/Long answer questions | Q 15

Name two devices used to measure the short time interval of an event.

Short/Long answer questions | Q 16.1

Express in second :

3 minute 15 second 

Short/Long answer questions | Q 16.2

Express in second:

5 hour 2 minute 5 second.

Short/Long answer questions | Q 17

What does the temperature measure?

Short/Long answer questions | Q 18.1

Name the S.I. unit.

Short/Long answer questions | Q 18.2

Name the one common unit of temperature. Write their symbols also.

Short/Long answer questions | Q 19

Name the instrument used for measuring the temperature of a person. Draw its labelled neat diagram.

Short/Long answer questions | Q 20.1

Write the temperature of melting ice.

Short/Long answer questions | Q 20.2

Write the temperature of boiling water.

Short/Long answer questions | Q 21

What is a clinical thermometer? State its special feature. Draw a labelled neat diagram of a clinical thermometer showing the range of temperature marked on it.

Short/Long answer questions | Q 22

What is the normal temperature of the human body? How is it indicated in a clinical thermometer?

Short/Long answer questions | Q 23

Can a clinical thermometer be used to measure the temperature of the boiling water? Give the reason for your answer.

Short/Long answer questions | Q 24

Explain the term area of a surface.

Short/Long answer questions | Q 25

Name the S.I. unit of area and define it.

Short/Long answer questions | Q 26.1

How is the unit of square yard?

Short/Long answer questions | Q 26.2

How is the unit of hectare?

Short/Long answer questions | Q 26.3

How is the unit of km2?

Short/Long answer questions | Q 26.4

How is the unit of cm2?

Short/Long answer questions | Q 26.5

How is the unit of mm2 related to the S.I. unit of area?

Short/Long answer questions | Q 27

Explain how you will measure the area of (i) a square (ii) a leaf?

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Additional questions

Additional questions | Q 1

State if the following statement is true or false: 

In ancient times, a cubit was used to measure the mass of an object.

  • True

  • False

Additional questions | Q 2

State if the following statement is true or false:

There are seven base units in the SI system.

  • True

  • False

Additional questions | Q 3

State if the following statement is true or false:

Second is considered as the fundamental unit of time in both CGS and MKS systems.

  • True

  • False

Additional questions | Q 4

State if the following statement is true or false:

Centi mean a hundredth part.

  • True

  • False

Additional questions | Q 5

State if the following statement is true or false:

The symbol used for a unit is always written in capital letters.

  • True

  • False

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Additional questions

Additional questions | Q 1

Answer the following in short.

What do you understand by the term measurement?

Additional questions | Q 2

Answer the following in short.

What are derived physical quantities? Give any two examples of derived physical quantities.

Additional questions | Q 3

Answer the following in short.

What are the characteristics of a standard unit?

Additional questions | Q 4

Answer the following in short.

Mention any two advantages of the metric system over traditional units.

Additional questions | Q 5

Answer the following in short.

Which institution in the world maintains the guidelines for using the SI units correctly?

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Additional questions

Additional questions | Q 1

Answer the following in detail.

What are the fundamental physical quantities? Name any three fundamental physical quantities.

Additional questions | Q 2

Answer the following in detail.

Explain by giving two examples of why the measurement of a physical quantity is expressed as a combination of a numeral and a unit.

Additional questions | Q 3

Answer the following in detail.

Explain in detail why there was a need to standardize units.

Additional questions | Q 4

Answer the following in detail.

Why are multiples and submultiples of SI units required?

Additional questions | Q 5

Answer the following in detail.

State some common rules to write SI units correctly.

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Check your progress

Check your progress | Q 1

Tick the most appropriate answer.

The SI unit of mass is

  • gram

  • milligram

  • kilogram

  • pound

Check your progress | Q 2

Tick the most appropriate answer.

To measure the volume of an irregular shaped body, we use a

  • graph paper

  • beam balance

  • measuring cylinder

  • ruler

Check your progress | Q 3

Tick the most appropriate answer.

Which of the following weighing devices has very high accuracy and sensitivity?

  • Beam balance

  • Grocer’s balance

  • Physical balance

  • Spring balance

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Check your progress

Check your progress | Q 1

State if the following statement is true or false. Correct the statement if it is false.

Area of an object is a fundamental physical quantity.

  • True

  • False

Check your progress | Q 2

State if the following statement is true or false. Correct the statement if it is false.

The error in reading a scale due to the wrong positioning of the eye is called human error.

  • True

  • False

Check your progress | Q 3

State if the following statement is true or false. Correct the statement if it is false.

The region enclosed within the boundaries of a two-dimensional figure is called its area.

  • True

  • False

Check your progress | Q 4

State if the following statement is true or false. Correct the statement if it is false.

The length of an irregular object can be found with the help of a graph paper.

  • True

  • False

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Check your progress

Check your progress | Q 1

Match the following.

 Column A   Column B
(1) Length  a. kilogram
(2) Mass  b. cubic metre
(3) Area  c. metre
(4) Volume  d. square metre

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Check your progress

Check your progress | Q 1

Answer the following in short.

Which unit will you use to find the length of your notebook and why?

Check your progress | Q 2

Answer the following in short.

What do you understand by the term ‘mass’? Name any one instrument used for weighing.

Check your progress | Q 3

Answer the following in short.

Explain the working of a beam balance.

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Check your progress

Check your progress | Q 1

Find the area of these leaves, where 1 square on the graph paper represents 1 cm2.

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Exercises [Pages 0 - 1]

Exercises | Q 1

Tick the most appropriate answer.

Which of the following is a fundamental physical quantity?

  • Speed

  • Area

  • Volume

  • Time

Exercises | Q 2

Tick the most appropriate answer.

The system of measurement based on centimetre-gram- second is known as

  • SI system

  • FPS system

  • MKS system

  • CGS system

Exercises | Q 3 | Page 1

Tick the most appropriate answer.

The region enclosed within the boundaries of a closed figure is known as its

  • length

  • area

  • volume

  • temperature

Exercises | Q 4

Tick the most appropriate answer.

Which of the following devices is used to measure mass?

  • Ruler

  • Measuring cylinder

  • Beam balance

  • Stopwatch

Exercises | Q 5

Tick the most appropriate answer 

Which of the following is not a common unit for measuring time?

  • Hour

  • Mean solar day

  • Year

  • Sundial

Exercises | Q 6

Tick the most appropriate answer.

A train departs from Delhi railway station at 21:50 hours every day. The time shown in your analog watch at the departure will be

  • 2:50 a.m.

  • 9:50 p.m.

  • 9:50 a.m.

  • 11:50 p.m.

Exercises | Q 7

Tick the most appropriate answer.

The total number of divisions in the Celsius scale is

  • 90

  • 100

  • 180

  • 360

Exercises | Q 8

Tick the most appropriate answer.

The maximum and minimum thermometer is commonly used by a

  • doctor

  • student

  • meteorologist

  • goldsmith

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Exercises

Exercises | Q 1

Fill in the blank.

There are ............. fundamental physical quantities.

Exercises | Q 2

Fill in the blank.

In the ............ system, length is measured in centimetres.

Exercises | Q 3

Fill in the blank.

1 kilometre is equal to ............... metres.

Exercises | Q 4

Fill in the blank. 

The amount of matter contained in a body is known as its ...........

Exercises | Q 5

Fill in the blank.

The first two digits in a 24-hour time format represent the number of ............

Exercises | Q 6

Fill in the blank

If the departure time of a train on a railway ticket is printed as 20:35, then it will depart at ............

Exercises | Q 7

Fill in the blank.

The lower fixed point in a laboratory thermometer is the same as that of ................

Exercises | Q 8

Fill in the blank.

The temperature at which water freezes is known as ..................

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Exercises

Exercises | Q 1

State if the following statement is true or false. Correct the statement if it is false.

The average of a group of observations is calculated by adding all the observations and dividing the sum by the number of observations.

  • True

  • False

Exercises | Q 2

State if the following statement is true or false. Correct the statement if it is false.

A laboratory thermometer has a kink in its capillary tube.

  • True

  • False

Exercises | Q 3

State if the following statement is true or false. Correct the statement if it is false.

Water is the most commonly used thermometric substance.

  • True

  • False

Exercises | Q 4

State if the following statement is true or false. Correct the statement if it is false.

Mercury does not stick to the surface of glass.

  • True

  • False

Exercises | Q 5

State if the following statement is true or false. Correct the statement if it is false.

1 m = 10,000 cm3

  • True

  • False

Exercises | Q 6

State if the following statement is true or false. Correct the statement if it is false.

A ruler with a damaged end can be used to measure a length accurately.

  • True

  • False

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Exercises

Exercises | Q 1

Answer the following in a word or two or in a sentence.

Name the unit which is common in both the MKS and CGS systems.

Exercises | Q 2

Answer the following in a word or two or in a sentence.

Name an instrument generally used to find the time interval between two events accurately.

Exercises | Q 3

Answer the following in a word or two or in a sentence.

If the alarm of a digital clock is set at 05:50, at what time will the alarm ring during the day?

Exercises | Q 4

Answer the following in a word or two or in a sentence.

At what temperature is the upper fixed point of a clinical thermometer kept?

Exercises | Q 5

Answer the following in a word or two or in a sentence.

Write the formula for finding the average of a given set of observations.

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Exercises

Exercises | Q 1

Answer the following in short.

What is parallax error?

Exercises | Q 2

Answer the following in short.

Explain the working of an extension spring balance.

Exercises | Q 3

Answer the following in short.

What do you mean by a mean solar day?

Exercises | Q 4

Answer the following in short.

Why is there a slight bend in the capillary tube of a clinical thermometer near the bulb?

Exercises | Q 5

Answer the following in short.

What is the function of the bulb in a thermometer?

Exercises | Q 6

Answer the following in short.

Describe any two means by which the actual capacity’ of a measuring container can be made less than the correct value by a dishonest trader.

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Exercises

Exercises | Q 1

Answer the following in detail.

What do you understand by the term volume?

Exercises | Q 1

Answer the following in detail.

What do you understand by the term capacity?

Exercises | Q 1.1

Answer the following in detail.

which is the most suitable unit for measuring the volume of a glass filled with water?

Exercises | Q 1.2

Answer the following in detail.

Which is the most suitable unit for measuring the volume of the swimming pool?

Exercises | Q 1.3

Answer the following in detail.

Which is the most suitable unit for measuring the volume of air inside an inflated balloon?

Exercises | Q 1.4

Answer the following in detail.

Which is the most suitable unit for measuring the volume of a cylinder of a car engine?

Exercises | Q 2

Answer the following in detail.

Explain in detail why railways and airlines use the 24-hour clock format.

Exercises | Q 3.1

Answer the following in detail.

What do you understand by the term temperature?

Exercises | Q 3.2

Answer the following in detail.

Distinguish between laboratory and clinical thermometers.

Exercises | Q 4

Answer the following in detail.

When are approximations necessary in daily life and when should they be avoided?

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Exercises

Exercises | Q 1

Give reason for the following.

Body parts should not be used for correct measurements of an object.

Exercises | Q 2

Give a reason for the following.

Measurements are very important for life.

Exercises | Q 3

Give a reason for the following.

Measuring units are standardized.

Selina solutions for Concise Physics Class 6 ICSE Chapter 2 Physical Quantities and Measurement Exercise Exercises

Exercises | Q 1.1

Solve the following numerical problem.

Express 2.25mincm?

Exercises | Q 1.2

Solve the following numerical problem.

Express 6L in mL. 

Exercises | Q 1.3

Solve the following numerical problem.

Express 8000 g in kg?

Exercises | Q 2

Solve the following numerical problem.

20 one – rupee coins are placed one above the other. If their total height is 32 mm, find the thickness of one coin.

Exercises | Q 3

Solve the following numerical problem.

A piece of wire is wound around a pencil 60 times. If the total width of all the turns is 4 cm, find the diameter of the wire.

Exercises | Q 4

Solve the following numerical problem.

Amit dipped a stone tied with a string in a measuring cylinder filled with water. If the initial level of water was 56 mL and after dipping the stone the final level of water was 78 mL, find the volume of the stone.

Exercises | Q 5

Solve the following numerical problem.

Grass is to be laid a rectangular field of dimensions 55 m × 45 m. Calculate the area of the field.

Exercises | Q 6

Solve the following numerical problem.

A lawn is in the shape of a square. Find the area covered by the lawn if each of its sides is 50 m.

Exercises | Q 7

Solve the following numerical problem.

An aeroplane leaves Bengaluru at 23:50 hours and reaches Chennai at 00.40 hours. Rewrite the statement using a 12- hour time format. Also, find the duration of the flight.

Exercises | Q 8

Solve the following numerical problem.

The body temperature of a patient on Monday was102 °F and on Tuesday it was 104°F. What was the rise in temperature during these two days?

Exercises | Q 9

Solve the following numerical problem.

The masses of five marbles are 50 g, 55 g, 60 g, 65 g, and 70 g. Find their average mass.

Exercises | Q 10

Solve the following numerical problem.

The rainfall in a city on each day of a week is recorded below. Find the average rainfall for the week.

day  Mon  Tue Wed Thurs Fri Sat Sun

Rainfall
(in mm)

 1.2 10.3 5.5 0.0 13.5 7.0 1.0

Chapter 2: Physical Quantities and Measurement

Objective questionsShort/Long answer questionsAdditional questionsCheck your progressExercises
Concise Physics Class 6 ICSE - Shaalaa.com

Selina solutions for Concise Physics Class 6 ICSE chapter 2 - Physical Quantities and Measurement

Selina solutions for Concise Physics Class 6 ICSE chapter 2 (Physical Quantities and Measurement) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CISCE Concise Physics Class 6 ICSE solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Selina textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Concise Physics Class 6 ICSE chapter 2 Physical Quantities and Measurement are Concept of Physical Quantities and Measurement, Concept of Length as the Distance Between Two Points., Concept of Measurement of Length (Ruler, Measuring Tape), Concept for Measurement of Length - Units (Symbol and Full Name), Concept of Mass as Matter Contained in an Object., Measurement of Mass (Beam Balance, Electronic Balance)., Measurement of Mass - Units (Symbol and Full Name), Concept of Time in Terms of Hours, Minutes and Seconds., Measurement of Time (Clock, Watch, Stopwatch), Measurement of Time - Units (Symbol and Full Name), Concept for Temperature - Measure Of Degree of Hotness Or Coldness of Body., Measurement of Temperature (Clinical Thermometer, Laboratory Thermometer)., Normal Temperature of a Human Body, Measurement of Temperature - Units (With Symbol and Full Name)., Measurement of Area - Concept of Area, Measurement of Area - Area of Regular Shapes (Using Graph Paper).

Using Selina Class 6 solutions Physical Quantities and Measurement exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Selina Solutions are important questions that can be asked in the final exam. Maximum students of CISCE Class 6 prefer Selina Textbook Solutions to score more in exam.

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