Q: Electron Volt is the unit of:

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

Q: Kwh is the unit of:

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

Q: Which device transform mechanical energy to electric energy?

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

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

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

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

Q: What does speedometer records?

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

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. 1
4. 3

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

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

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

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

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

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

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

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