Q: Electron Volt is the unit of:

1. Energy.
2. Charge.
3. Electricity.
4. Potential.

Q: Kwh is the unit of:

1. Energy.
2. Velocity.
3. Power.
4. Speed.

Q: Which device transform mechanical energy to electric energy?

1. Motor.
2. Transformer.
3. Alternator.
4. Stablizer.

Q: Which is the correct unit for measuring astronomical distances?

1. Mole.
2. Light year.
3. Kilometre.
4. Angstron unit.

Q: Which is the correct unit for measuring nuclear radii?

1. Milimeter.
2. Fermi.
3. Angstron unit.
4. Micron.

Q: If the distance travelled by a particle is zero, then what will be its displacement?

1. Not zero.
2. Negative.
3. May or may not be zero.
4. Zero.

Q: What does speedometer records?

1. Average velocity.
2. Average acceleration.
3. Instantaneous speed.
4. Average speed.

Q: Out of the following which is not a scalar quantity?

1. Volume.
2. Momentum.
3. Time.
4. Density.

Q: What is the minimum number of unequal forces whose resultant will be zero?

1. 4
2. 2
3. 3
4. 1

Q: A stone is thrown horizontally from the top of a tower. What is the nature of path followed by the stone?

1. Parabolic.
2. Circular.
3. Straight.
4. Hyperbolic.

Q: A stone is thrown horizontally and another is dropped simultaneously from the top of a tower. Which will reach the ground first?

1. Depends upon the masses of the stones.
2. Both the stones reach simultaneously.
3. A stone thorown horizontally.
4. A stone dropped.

Q: A heavy and light body are dropped from the top of a tower, which will reach the ground first?

1. Heavy.
2. Not known.
3. Light.
4. Both will reach at same time.

Q: Which of thes animals lends its name to a traditional unit of power?

1. Cow
2. Camel
3. Horse
4. Bullock