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Question Bank Solutions for ICSE Class 7 - CISCE - Physics

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Physics
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Fill in the blank:

Two boys cycling on the road with the same speed are _______ relative to each other.

[2] Force and Pressure: Motion
Chapter: [2] Force and Pressure: Motion
Concept: Motion and Rest

Fill in the blank:

One to and fro motion of a clock pendulum takes time = ________

[2] Force and Pressure: Motion
Chapter: [2] Force and Pressure: Motion
Concept: Motion and Rest

Fill in the blank:

36 km h-1 = ______

[2] Force and Pressure: Motion
Chapter: [2] Force and Pressure: Motion
Concept: Motion and Rest

Select the correct alternative:

A book lying on a table is an example of

[2] Force and Pressure: Motion
Chapter: [2] Force and Pressure: Motion
Concept: Motion and Rest

Explain the meaning of the terms rest and motion.

[2] Force and Pressure: Motion
Chapter: [2] Force and Pressure: Motion
Concept: Motion and Rest

Comment on the statement ‘rest and motion are relative terms’. Give an example.

[2] Force and Pressure: Motion
Chapter: [2] Force and Pressure: Motion
Concept: Motion and Rest

Write true or false of the following statement.

A gum bottle lying on a table has no energy.

[3] Energy
Chapter: [3] Energy
Concept: Concept of Energy

Fill in the blank using one of the word: at rest, in motion.

A person walking in a compartment of a stationary train is relative to the compartment and is relative to the platform.

[2] Force and Pressure: Motion
Chapter: [2] Force and Pressure: Motion
Concept: Motion and Rest

Fill in the blank using one of the word : at rest, in motion.

A person sitting in a compartment of a moving train is relative to the other person sitting by his side and is relative to the platform.

[2] Force and Pressure: Motion
Chapter: [2] Force and Pressure: Motion
Concept: Motion and Rest

Write true or false of the following statement.

In an electric fan, electrical energy changes into the mechanical energy.

[3] Energy
Chapter: [3] Energy
Concept: Concept of Energy

Write true or false of the following statement.

Potential energy changes into kinetic energy when it is put to use

[3] Energy
Chapter: [3] Energy
Concept: Concept of Energy

Name five different types of motion you know.

[2] Force and Pressure: Motion
Chapter: [2] Force and Pressure: Motion
Concept: Motion and Rest

Write true or false of the following statement.

One form of energy cannot be converted into another form.

[3] Energy
Chapter: [3] Energy
Concept: Concept of Energy

Fill in the blank

An electric fan converts electrical energy into ______ energy.

[3] Energy
Chapter: [3] Energy
Concept: Concept of Energy

 Fill in the blank

Cooking gas converts _______ energy into heat energy.

[3] Energy
Chapter: [3] Energy
Concept: Concept of Energy

 Fill in the blank

The ability to do work is called ______

[3] Energy
Chapter: [3] Energy
Concept: Concept of Energy

Fill in the blank

The S.I.unit of energy is ______

[3] Energy
Chapter: [3] Energy
Concept: Concept of Energy

Name the type  of motion being performed by Vehicle on a straight road.

[2] Force and Pressure: Motion
Chapter: [2] Force and Pressure: Motion
Concept: Motion and Rest

Match the following columns

COLUMN A  COLUMN B
1. Running water  1. heat energy 
2. Burning  2. vibrations 
3.Energy  3.atom bomb
4.Sound energy  4.kinetic energy 
5.Nuclear energy  5.joule
[3] Energy
Chapter: [3] Energy
Concept: Concept of Energy

Select the correct alternatives

When we rub our hands

[3] Energy
Chapter: [3] Energy
Concept: Concept of Energy
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