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

What are the factors on which the pressure of a liquid depends?

State Pascal's law.

Do all liquids exert pressure?

State two applications of Pascal's law.

What is the principle of a hydraulic machine?

State the principle on which Brahma press depends.

State two uses of a hydraulic press.

State and explain Pascal's law of transmission of pressure.

The density of iron is 7800 kg m^-3. What do you mean by this statement? What is density of water at 4⁰C?

For what purpose is the acid battery hydrometer used?

Define acceleration. State its unit.

Distinguish between acceleration and retardation.

What is meant by the term retardation? Name its S.I. unit.

Give one example of the following motion:

Uniform retardation

Define the term acceleration due to gravity. State its average value.