ICSE Class 10 - CISCE Important Questions for Physics

Define the power of a lens.

What do you understand by the term Scattering of light?

Why does sun appear red at sunrise and sunset?

Which particles are responsible for current in conductors?

To which wire of a cable in a power circuit should the metal case of geyser be connected.

To which wire should the fuse be connected?

State two characteristics of a good thermion emitter.

A brass ball is hanging from a stiff cotton thread. Draw a neat labeled diagram showing the forces acting on the brass ball and cotton thread

The distance between two bodies is doubled. How is the magnitude of the gravitational force between them affected?

A uniform half meter rule balances horizontally on a knife-edge at 29 cm mark when a weight of 20 gf is suspended from one end

1) Draw a diagram of the arrangement

2) What is the weight of the half meter rule?

How does uniform circular motion differ from uniform linear motion?

Give an example of a non-contact force which is always of attractive nature

How does the magnitude of this non-contact force on the two bodies depend on the distance of separation between them?

A boy weighing 40 kgf climbs up a stair of 30 steps each 20 cm high in 4 minutes and a girl weighing 30 kgf does the same in 3 minutes. Compare:

1) The work done by them.

2) The power developed by them.

An effort is applied on the bigger wheel of a gear having 32 teeth. It is used to turn a wheel of 8 teeth. Where it is used.

On what factor does the position of the center of gravity of a body depend?

What is the SI unit of the moment of force?

Name the factors affecting the turning effect of a body

Define equilibrium.

In a beam balance when the beam is balanced in a horizontal position, it is in ______ equilibrium.