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

Explain Why are stringed musical instruments provided with large sound boxes?

What do you understand by free (or natural) vibrations?

What do you understand by forced vibrations?

What are the factors that affect the frequency of a vibrating string and how do they affect the frequency?

What do you understand by free vibrations of a body? Draw a displacement-time graph to represent them. Given one example.

Explain free and forced vibrations. Give an experimental arrangement to illustrate the phenomenon of resonance.

Describe a simple experiment to illustrate the phenomenon of resonance and explain it.

A mixture of radioactive substance gives off three types of radiation name the radiations which are charged.

A mixture of radioactive substance gives off three types of radiation name the radiation similar in nature to cathode rays.

A mixture of radioactive substance gives off three types of radiation name the radiation which is deviated most in a magnetic field.

Answer the question with respect to the following diagram: 

Name the charged particles emitted from the heated filament? Name the phenomenon of emission of these particles.

Answer the question with respect to the following diagram:

A beam of such particles, after acceleration is allowed to strike a metal plate C. Radiation B is given off. Name the radiation B.

Answer the question with respect to the following diagram:

Name the material of target C.

Answer the question with respect to the following diagram:

State two properties of radiation B different from those of visible light.

Answer the question with respect to the following diagram:

State two factors on which the wavelength of radiation B depends.

Answer the question with respect to the following diagram:

State two uses of radiation B.

Answer the question with respect to the following diagram:

Why is it necessary to cool the tube?

When the speed of a moving object is doubled, then its kenetic energy ______.

Is it possible for a concave lens to form an image of size two times that of the object? Write Yes or No.

A car of mass 120 kg is moving at a speed 18 km/h and it accelerates to attain a speed of 54 km/h in 5 seconds. Calculate:

1. the work done by the engine.
2. the power of the engine.