Sound Properties

Q.

Sound waves need a medium for its propagation.

1. No

2. Yes

Q. How does sound travel?

1. In the form of a wave.
2. Particle move from the source to the listener.
3. Depends on the medium.
4. Depends on the source.

Q. Sound is produced in a flute due to the vibration of air column.

1. True

2. False

Q. Birds like woodcock and robin can identify the sounds of earthworms because _______.

1. they can see minute movements
2. they can hear high intensity sounds
3. they can hear low intensity sounds
4. they can hear loud sounds

Q. A taut rubber band is capable of production of sound while a slack rubber band is not.

1. True
2. False

Q.

When a drum is beaten, a sound is heard due to:

1. Heating of the membrane

2. Vibration of the membrane

3. Both heating and vibration of the membrane

4. Freezing of the membrane

Q. Sound can't propagate in:

1. Solids
2. Liquids
3. Gases
4. Vacuum