Amplitude

Q.

The maximum displacement of the wave from its mean position is called as __________.

Q.

Define quality or timbre.

Q. In human ear, the vibrations are amplified by:

1. Hammer
2. Anvil
3. Pinna
4. Stirrup

Q.

What is the maximum displacement of an oscillating object is called?State its SI unit.

Q.

What determines the loudness of a sound? What is the unit of loudness? [2 MARKS]

Q.

Question 3 (c)
State whether the following statement is true or false.
If the amplitude of vibration is large, the sound is feeble.

Q. The unit of quantity on which the loudness of a sound depends is:

1. metre/second
2. Hertz
3. Second
4. Metre

Q.

Question 4 (b)
Fill in the blank with a suitable word.
Loudness is determined by the ________of vibration.

Q. Define the following term:

• Amplitude

Q. How does the loudness of sound produced depend on the vibrating area of the body?

Q.

The SI unit of amplitude is second.

1. True
2. False

Q.

A loud sound is produced if amplitude of vibration is small ? Write a correct statement ?

Q. Amplitude

Q.

The loudness of the sound is measured in ___ .

Q.

why is loud sound heard at acoustic resonance.

Q.

Lower the amplitude of the sound wave________ will be the sound.

Q. Explain the factors on which the loudness of sound depends.