Welcome to you Physics Quiz - Section 2

Name

None

1. Pa(Pascal) is the unit for

A) thrust

B) pressure

C) frequency

D) conductivity

None

2. Planets do not twinkle because

A) they emit light of a constant intensity

B) their distance from the earth does not change with time

C) they are very far away from the earth resulting in decrease in intensity of light

D) they are nearer to earth and hence we receive a greater amount of light and, therefore minor variations in the intensity are not noticeable

None

3. Metals are good conductors of electricity because

A) they contain free electrons

B) the atoms are lightly packed

C) they have high melting point

D) All of the above

None

4. Let a thin capillary tube be replaced with another tube of insufficient length then, we find water

A) will overflow

B) will not rise

C) depressed

D) change its meniscus

None

5. The language of discourses of Gautama Buddha was

A) Pressure and Young's modules

B) Planck's constant and Angular momentum

C) Impulse and moment of force

D) Force and rate of change of linear momentum

None

6. If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same

A) velocity

B) momentum

C) acceleration

D) kinetic energy

None

7. Pick out the scalar quantity

A) force

B) pressure

C) velocity

D) acceleration

None

8. Rectifiers are used to convert

A) Direct current to Alternating current

B) Alternating current to Direct current

C) high voltage to low voltage

D) low voltage to high voltage

None

9. out of the following, which is not emitted by radioactive substance?

A) Electrons

B) Electromagnetic radiations

C) Alpha particles

D) Neutrons

None

10. Sound waves in air are

A) transverse

B) longitudinal

C) electromagnetic

D) polarised

None

Time's up

Time is Up!