Subject

Physics

Class

ICSE Class 10

Pre Boards

Practice to excel and get familiar with the paper pattern and the type of questions. Check you answers with answer keys provided.

Sample Papers

Download the PDF Sample Papers Free for off line practice and view the Solutions online.
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 Multiple Choice QuestionsShort Answer Type

1.

Which physical quantity does this electronvolt measure? How is it related to the S.I. unit of this quantity?

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2.

What should be the angle between force and displacement be to get the

i) minimum work

ii) maximum work? 
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3.

State Newton’s Second Law of motion. 

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4.

The work done by the heart is 1 Joule per beat. Calculate the power of the heart if it beats 72 times in one minute. 

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5.

Mention two properties of a wave: one property which varies and the other which remains constant when the wave passes from one medium to another.

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6.

Explain briefly what causes the twinkling of stars at night? 

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7.

State two advantages of an aneroid barometer. 

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8.

Explain why a gas bubble released at the bottom of a lake grows in size as it rises to the surface of the lake? 

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9.

What is meant by the statement, ‘ the critical angle for diamond is 24o? How is the critical angle of a material related to its refractive index?  


Critical angle of diamond is 24o means that the angle of incidence of light in diamond is such that the angle of refraction for it in air is 90o.The critical angle is related to the refractive index of the material as, 

                                             straight n presubscript straight a subscript straight b space equals space 1 over sini subscript straight c

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10.

A block of wood of volume 25 cm3 floats in water with 20 cmof its volume immersed. Calculate:

i) the density, and

ii) the weight of the block of wood. 
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