मराठी

Difference in size Do this for yourself and find the difference.

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प्रश्न

Difference in size
Do this for yourself and find the difference.

रिकाम्या जागा भरा
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उत्तर

Different in size: 1.82 m – 1.52 m

= 0.30 m

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 10: Tenths and Hundredths - Tenths and Hundredths [पृष्ठ १४२]

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एनसीईआरटी Math - Magic [English] Class 5
पाठ 10 Tenths and Hundredths
Tenths and Hundredths | Q A) | पृष्ठ १४२

संबंधित प्रश्‍न

The farthest objects in our Universe discovered by modern astronomers are so distant that light emitted by them takes billions of years to reach the Earth. These objects (known as quasars) have many puzzling features, which have not yet been satisfactorily explained. What is the distance in km of a quasar from which light takes 3.0 billion years to reach us?


When the planet Jupiter is at a distance of 824.7 million kilometres from the Earth, its angular diameter is measured to be 35.72″ of arc. Calculate the diameter of Jupiter


Just as precise measurements are necessary in science, it is equally important to be able to make rough estimates of quantities using rudimentary ideas and common observations. Think of ways by which you can estimate the following (where an estimate is difficult to obtain, try to get an upper bound on the quantity):

 

the number of strands of hair on your head


Write true or false.

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


Ten millimetre makes one centimetre.


Fill in the following chart.

Property Definition Basic Unit Instrument used for measuring
Length      
Mass      
Volume      
Time      

Metre is the unit of ______.


Assertion (A): Distance between two celestial bodies is measured in terms of light year.

Reason (R): The distance travelled by the light in one year is one light year.


Can you find the diameter of a thin wire of length 2 m using the ruler from your instrument box?


Guess whose tail is the longest. Now measure the tails. How good is your guess?


How wide is the rectangle? ________ cm


You can play this game on the ground. Make two squares of one square meter each. Divide your class into two teams. Ready to play!

  • How many of you can stand in it?

There are two beautiful lakes near a village. People come for boating and picnics in both the lakes. The village Panchayat is worried that with the noise of the boats the birds will stop coming. The Panchayat wants motorboats in only one lake. The other lake will be saved for the birds to make their nests.

  • How many cm is the length of the boundary of lake A in the drawing?(use thread to find out)

There are two beautiful lakes near a village. People come for boating and picnics in both the lakes. The village Panchayat is worried that with the noise of the boats the birds will stop coming. The Panchayat wants motorboats in only one lake. The other lake will be saved for the birds to make their nests.

  • How many kilometers long is the actual boundary of lake A?

SI unit of electric current is ______.


The radius of atom is of the order of 1 Å and the radius of nucleus is of the order of fermi. How many magnitudes higher is the volume of atom as compared to the volume of nucleus?


According to the modern definition, what fraction of a second does light travel to define one metre?


What is an Astronomical Unit (AU)?


One parsec is defined as ______.


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