ICSE ICSE Class 8 - CISCE Question Bank Solutions for Physics

State the melting point of ice.

What determines the pitch of a sound?

Draw a diagram to show the wave pattern of high pitch note and a low pitch note, but of the same loudness.

The energy of a flying kite is kinetic energy.

Kinetic energy = 1/2 × mass × ............

When a boy doubles his speed, his kinetic energy becomes

Define the term kinetic energy. Give one example of a body which possesses kinetic energy.

State two factors on which the kinetic energy of a moving body depends.

Two toy-cars A and Bof masses 200 g and 500 g respectively are moving with the same speed. Which of the two has greater kinetic energy?

A cyclist doubles his speed. How will his kinetic energy change: increase, decrease or remain same?

Write the expression for the kinetic energy of a body explaining the meaning of the symbols used.

A ball of mass M is moving with a speed v. What is its kinetic energy?

Give reasons for the following A horse and a dog are running with the same speed. Which one of them has more kinetic energy than the other.

A car is moving with a speed of 15 km h^-1 and another identical car is moving with a speed of 30 km h^-1. Compare their kinetic energy.

Which characteristics of sound makes it possible to recognize a person by his voice without seeing him?

How are the electrical appliances connected in a house circuit: in series or in parallel? Give reason.

State the voltage at which electricity is supplied to our houses.

The temperature at which a liquid gets converted into its vapour state is called its

Rapid conversion of water into steam is an example of

Boiling takes place from the