(English Medium) ICSE Class 9 - CISCE Question Bank Solutions for Physics

By giving an example, prove that rest and motion are relative terms.

Define Scalar quantities.

Define Vector quantities.

What do you understand by the term magnetic declination?

Explain the mechanism by which unmagnetized iron nails get attracted to a magnet when brought near it.

Pick out the scalar and vector quantities from the following list:

1. mass
2. density
3. displacement
4. distance
5. momentum
6. acceleration
7. temperature
8. time

Give two differences between speed and velocity.

State whether the following is scalar or vector quantity.

Speed

State whether the following is scalar or vector quantity

Force

State whether the following is scalar or vector quantity

Acceleration

State whether the following is scalar or vector quantity

Energy

Copy the following table and fill in the blank spaces.

A wooden block floats in alcohol with 3/8 of its length above alcohol. If it is made to float in water, what fraction of its length is above water? Density of alcohol is 0.80 g cm^-3.

Select the correct option:

The apparent weight of a body in a fluid is:

Select the correct option:

The phenomenon due to which a solid experiences upward force when immersed in water is called:

Select the correct option:

When an object sinks in a liquid, its:

Select the correct option:

When a body is wholly or partially immersed in a liquid, it experiences a buoyant force which is equal to: