Factors Affecting Speed of Sound

Q.

Why is the speed of sound constant?

Q.

Light waves travel faster than sound waves.

1. pitch

2. Shrillness

Q.

Which of the following is correct with respect to elasticity?

1. Solid < Liquid < Gas

2. Liquid < Solid < Gas

3. Gas < Liquid < Solid

4. Gas <Solid<Liquid

Q.

In solids speed of sound depends on elasticity and density.

1. False

2. True

Q.

Sound cannot reach us from space why?

Q. Which of the following factors does not affect the speed of sound?

1. Temperature
2. Humidity
3. Frequency
4. Direction of wind

Q.

Among the three states of matter, sound travels fastest in the ___ state.

Q.

Arrange in increasing order - Speed of sound in steel, water and air.

1. Oxygen < distilled water < sea water < steel.

2. Steel > distilled water > sea water > oxygen.

3. Oxygen < distilled water = sea water < steel.

4. Steel < distilled water = sea water < oxygen.

Q.

The speed of sound in an ideal gas increases with the increase in pressure of a gas.

1. True

2. False

Q. ntDescribe an activity to show that sound travels faster through solids than through a gaseous medium.n

Q. Why speed of sound is maximum in solids?

Q.

Which of the following medium will allow the sound to pass through it?

1. True

2. False

3. Water
4. Vacuum

Q.

Sound travel fastest in ___ .

1. solids

2. liquids.

3. gases.

4. mercury

Q.

Which of the following will allow the sound waves to travel through it?

1. True

2. False

3. Water

4. Vacuum

Q. Speed of sound depends on which of the following?

1. Temperature of the medium
2. Temperature of source producing sound
3. Amplitude of the sound
4. Frequency of the sound

Q. When sound waves travel from a rarer medium to a denser medium, its speed:

1. decreases
2. remain constant
3. increases
4. may increase or decrease

Q.

Sound will travel in which of the following?

1. True

2. False

3. Water

4. Vacuum

Q. The speed of sound in water is ________.

1. 332 m/s
2. 1000 m/s
3. 1500 m/s
4. 5000 m/s

Q. Properties of medium that does not affect the speed of sound are:

1. Humidity
2. Density
3. Colour
4. Lustre
5. Hardness
6. Strength
7. Volume
8. Temperature

Q.

What is the propogation of the sound and light?

Q.

The speed of sound depends on

1. Elasticity

2. Density

3. Temperature

4. All of these