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Selina solutions for Class 9 Physics chapter 1 - Measurements and Experimentation

Selina ICSE Concise Physics for Class 9 (2018-19 Session)

Chapters

Chapter 1: Measurements and Experimentation

Chapter 2: Motion in One Dimension

Chapter 3: Laws of Motion

Chapter 4: Pressure in Fluids and Atmospheric Pressure

Chapter 5: Upthrust in Fluids, Archimedes’ Principle and Floatation

Chapter 6: Heat and Energy

Chapter 7: Reflection of Light

Chapter 8: Propagation of Sound Waves

Chapter 9: Current Electricity

Chapter 10: Magnetism

Selina Selina ICSE Concise Physics Class 9 (2018-19 Session) Chapter 1: Measurements and Experimentation

Chapter 1: Measurements and Experimentation solutions [Page 0]

What is meant by measurement?

What do you understand by the Term Unit?

What are the three requirements for selecting a unit of a physical quantity?

Name the three fundamentals quantities.

Name the three systems of units and state the various fundamentals units in them.

Define a fundamental unit.

What are the fundamental unit in S.I system? Name them along with their symbols.

Explain the meaning of the derived unit with the help of an example?

Define  Standard metre.

Name two units of length which are bigger than a metre. How are they related of the metre?

Write the names of two units of length smaller than a metre. Express their relationship with the metre.

How is nanometer related to Angstrom?

Name the three convenient units used to measure length ranging from very short to very long value. How are they related to the S.I unit?

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

Complete the following: 1 light year =……….m

Complete the following: 1 m =……….Å

Complete the following: 1 m  =……….. µ

Complete the following: 1 micron =………..Å

Complete the following: 1 fermi = ……….. m

State two units of mass bigger than smaller than a kilogram. How are they related to the kilogram.

State two units of mass bigger than a kilogram. Give their relationship with the kilogram?

Complete the following: 1 g =………kg

Complete the following : 1 mg =………kg

Complete the following: 1 quintal =………kg

Complete the following : 1 a.m.u (or u) =……..kg

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

Name two units of time bigger than a second. How are they related to the Second?

What is a leap year?

The year 2016 will have February of 29 days'. Is this statement true?

What is a lunar month?

Complete the following: 1 nanosecond =……….s.

Complete the following: 1 µs =……….s

Complete the following: 1 mean solar day =……….s.

Complete the following: 1-year =……….s.

Name the physical quantities which are measured in the given units: u

Name the physical quantities which are measured in the given units:-

ly

Name the physical quantities which are measured in the given units:-

ns

Name the physical quantities which are measured in the given units:

nm

Write the derived units of speed

Write the derived units of force

Write the derived units of work

Write the derived units of the pressure

How are the following derived units related to the fundamental units?

Newton

How are the following derived units related to the fundamental units?

watt

How are the followings derived units related to the fundamental units?

joule

How are the following derived units related to the fundamental units?

Pascal

Name the physical quantities related to the following units:-

km2

Name the physical quantities related to the following unit:-

Newton

Name the physical quantities related to the following unit:- Joule

Name the physical quantities related to the following unit: Pascal

Name the physical quantities related to the following unit:- watt

Chapter 1: Measurements and Experimentation solutions [Page 0]

The fundamental unit is:-

1. Newton
2. Pascal
3. hertz
4. second

Which of the following unit is not a fundamental unit:

1. metre
2. Litre
3. second
4. kilogram

The unit of time is:

1. light year
2. parsec
3. leap year
4. angstrom

1Å is equal to :

1. 1nm
2. 10-10 cm
3. 10-8 m
4. 104 µ

ly is the unit of:-

1. time
2. length
3. mass
4. none of this

Chapter 1: Measurements and Experimentation

Selina Selina ICSE Concise Physics Class 9 (2018-19 Session) Selina solutions for Class 9 Physics chapter 1 - Measurements and Experimentation

Selina solutions for Class 9 Physics chapter 1 (Measurements and Experimentation) 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 Selina ICSE Concise Physics for Class 9 (2018-19 Session) solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com are providing 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 Class 9 Physics chapter 1 Measurements and Experimentation are International System of Units, Other Commonly Used System of Units - fps and cgs, Measurements Using Common Instruments, Vernier Callipers and Micro-metre Screw Gauge for Length, Simple Pendulum for Time, Concept of Measurements and Experimentation.

Using Selina Class 9 solutions Measurements and Experimentation 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 9 prefer Selina Textbook Solutions to score more in exam.

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