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.
Advertisement

 Multiple Choice QuestionsShort Answer Type

Advertisement

11.

Under what condition will a set of gears produce:

1. a gain in speed.

2. a gain in torque 


1. For gain in speed: Number of teeth in driving wheel is greater than the number of teeth in the driven wheel.

2. For gain in torque: Number of teeth in driven wheel is greater than number of teeth in driving wheel. 

1447 Views

Advertisement
12.

Define the term refractive index of a medium in terms of the velocity of light?

429 Views

13.

A ray of light moves from a rarer medium to a denser medium as shown in the diagram given below: 



Write down the number of the ray which represents the partially reflected ray. 

634 Views

14.

You are provided with a printed piece of paper. Using this paper how will you differentiate between a convex lens and a concave lens? 

1534 Views

Advertisement
15.

A converging lens is used to obtain an image of an object placed in front of it. The inverted image is formed between F2 and 2F2 of the lens.

i) Where is the object placed?

ii) Draw a ray diagram to illustrate the formation of the image obtained?
490 Views

16.

A ray of light incident at an angle of incidence ‘I’ passes through an equilateral glass prism such that the refracted ray inside the prism is parallel to its base and emerges from the prism at an angle of emergence ‘e’.

i) How is the angle of emergence 'e' related to the angle of incidence ‘I’?

ii) What can you say about the value of the angle of deviation in such a situation? 
689 Views

17.

i) What is meant by the dispersion of light?

ii) In the atmosphere which colour of light gets scattered the least. 
382 Views

18.

Which characteristics of sound will change if there is a change in:

i) its amplitude

ii) its waveform 
1198 Views

Advertisement
19.

i) Name one factor which affects the frequency of sound emitted due to vibrations in an air column.

ii) Name the unit used for measuring the sound level. 
925 Views

20.

What is meant by resonance? 

703 Views

Advertisement