Sound Propagation

Q. A wave is a disturbance that transfers ___ through matter or space.

1. energy
2. frequency
3. medium particles
4. sound

Q. A wave in which the particles move parallel to the direction of traversal of the wave is known as ______ wave.

1. Longitudinal
2. Transverse
3. Matter
4. None of the above

Q. A wave in which particles oscillate parallel to the direction of wave propagation is known as:

1. transverse
2. longitudinal
3. matter
4. particle

Q.

Sound waves travel in form of compressions and rarefractions

1. True

2. False

Q.

The speed of sound in the air, if the wind is blowing in direction of propagation of sound ___ the speed of sound when the wind is not blowing.

1. is greater than

2. does not depend upon

3. is less than

4. is equal to

Q.

Can you hear the ticking sound of an alarm clock when it is placed inside a bell jar with no air inside it?

Q.

When a sound wave strikes our eardrum, it persists there for 1/10 of a/an :

1. Second

2. Minute

3. Hour

Q.

Which of the following type of wave is different from others?

1. Light waves

2. X-rays

3. Radio waves

4. Sound waves

Q. Sound is a mechanical wave and needs a material medium for its propagation, It cannot travel through

1. vacuum
2. wood
3. air
4. ice

Q.

Which statement is true,

Statement 1: Sound needs a medium for its propagation

Statement 2: Sound does not propagate in a vacuum, as it does not have particles to vibrate.

Q. Choose the correct statement based on the speed of sound in different media.

1. in solids > in gases > in liquids

2. in liquids > in solids > in gases

3. in solids > in liquids > in gases

4. in gases > in liquids > in solids

Q.

1)What travels faster sound or light ? Explain with the help of an example

2)describe the conditions responsible for total solar eclips

3)why does solar eclips occurs on new moon day?

Q.

Sound travels in air, if

1. particles of medium travel from one place to another

2. there is no moisture in the atmosphere

3. disturbance moves

4. both particles as well as disturbance travel from one place to another

Q. Which of the following statements is true?

1. Sound cannot propagate in liquids.
2. Sound travels faster than light.
3. Sound is a form of energy.
4. Sound can travel in vaccum.

Q. State true or false
Sound can be traversed through particles moving about their fixed positions and influencing the adjacent particles to do the same.

1. True
2. False

Q.

Sound travels ____________ in steel than in water.

Q. Information can be passed through particles moving about its fixed positions, and influencing the adjacent particles to do the same.

1. True
2. False

Q. The time taken by sound to travel to each of the two ears is always the same.

1. True
2. False

Q.

How can sound traverse form one place to another?

1. Particles leaving their positions permanently

2. By a particle moving perpendicular to wave propogation

3. None of the above

4. By a particle moving about its fixed position, and influencing the particle next to it to do the same, and passing the trend to subsequent particles.

Q.

When sound propagates through air which of the following varies?

1. Pressure

2. Force

3. Frequency

4. Temperature

Q.

Sound travels in the form of _____.

1. waves

2. particles

3. either particles or waves, depending on the medium

4. both as waves and particles

Q. In a longitudinal wave, particles vibrate ______ the direction of the propogation of the wave.

1. along
2. perpendicular to
3. independent of
4. oblique to

Q. In which of the followong materials does the sound travel the fastest?

1. Water
2. Hydrogen
3. Steel
4. Bromine

Q.

A wave in which the particles move parallel to the direction of propogation of the wave is known as___wave.