Amplitude

Q. Large amplitude of sound vibrations will produce loud sound.

1. True
2. False

Q. The maximum displacement of a particle from its mean position is called _______.

1. amplitude
2. pitch
3. frequency
4. wavelength

Q. When we change feeble sound to loud sound, we increase its ______.

1. velocity
2. amplitude
3. wavelength
4. frequency

Q. The loudness of sound depends on its:

1. pitch
2. wavelength
3. frequency
4. amplitude

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

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

Q. Larger the amplitude of a sound wave, louder the sound.

1. True
2. False

Q. The maximum displacement of the particle from its mean position is called amplitude.

1. True
2. False

Q.

What is the intensity of sound wave?

1. Amount of energy per unit area per unit time

2. Amount of energy per unit area

3. Amount of energy per unit time

4. Amount of force per unit time

Q.

If the intensities of two sounds are in ratio 9:4, what is the ratio of their amplitudes?

1. 3:2

2. 81:16

3. 2:3

4. 16:81

Q. If the amplitude of vibration is large, the sound is feeble.

1. True
2. False