(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

In a cathode ray tube, what is the function of anode?

State the energy conversion taking place in a cathode ray tube

Write one use of cathode ray tube.

Represent the change in the nucleus of a radioactive element when a β particle is emitted.

Under which conditions does the nucleus of an atom tend to radioactive?

Name one factor that affects the lateral displacement of light as it passes through a rectangular glass slab.

The speed of light in glass is 2 × 10⁵ km/s. What is the refractive index of glass?

Draw a graph between displacement and the time for a body executing free/natural vibrations.

Why is a cathode ray tube evacuated to a low pressure?

What happens if the negative potential is changed on a grid?

A block and tackle system has V.R. = 5.

Draw a neat labeled diagram of a system indicating the direction of its load and effort

Rohan exerts a pull of 150 kgf. What is the maximum load he can raise with this pulley system if its efficiency = 75%?

Name the wire in a household electrical circuit to which the switch is connected

Name a gas caused by the Greenhouse effect

What is thermionic emission?

Name the unit in which the work function of a metal is expressed.

Complete the diagram as given above by drawing the deflection of radioactive radiations in an electric field

State any two precautions to be taken while handling radioactive substances

Draw the diagram given below and clearly show the path taken by the emergent ray.

A ray of light passes from water to air. How does the speed of light change?