How Sound Propagates!

Q. Sound can travel through oil, iron and water but not through vacuum.

1. False
2. True

Q. A ringing bell is hung inside a vacuum chamber. Whether its sound can be heard outside?

1. Yes
2. No

Q. Sound is said to be propagated when __________.

1. sound waves spread in all direction from source of sound
2. the sound is not generated by source
3. sound wave is restricted at the receiver
4. sound wave is restricted at source

Q.

Sound takes some time to travel from one place to another. It will be maximum

1. at night

2. during summer

3. during winter

4. nothing can be decided

Q. The sound of train approaching could be heard earlier when we press our ears on rail tracks than just normally hearing it. What could be the possible reason for it?

1. Speed of sound is faster in solids than gases.
2. Speed of sound is faster in liquids than solids.
3. Speed of sound is faster in gas than solids.
4. Speed of sound is maximum in vacuum.

Q.

_______identifies the quality of sound in the human ear.

1. Nerve impulse

2. Pinna

3. Cochlea

4. Ear drum

Q. A ringing bell is hung inside a vacuum container, the sound of bell would be heard by a person standing at a distance.

1. True
2. False

Q. The speed of sound is same in water as well as air.

1. True
2. False

Q.

Sound from space cannot reach us. Why?

Q.

The speed of sound depends on the properties of the medium through which it travels.

1. True

2. False

Q. Choose the correct option comparing the speed of sound in different media.

1. Steel $<$ Seawater $<$ Oxygen
2. Oxygen $<$ Seawater $<$ Steel
3. Oxygen $<$ Steel $<$ Seawater
4. Steel $<$ Oxygen $<$ Seawater

Q. In a flute, sound is produced due to vibration of the air column formed in its hollow tube.

1. True
2. False

Q. Sound waves will travel the fastest in:

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

Q.

We can hear the sound produced by a meteorite strike on the moon's surface.

1. Solid

2. Gas

Q. The sound produced by a flute is due to the vibration of the air molecules in its column.

1. True
2. False

Q.

Sound can travel through _____________.

1. solids, liquids and gases

2. liquids and gases only

3. vacuum

4. gases only