Question

We can distinguish a shrill sound from a flat sound by its

• A. amplitude
• B. loudness
• C. pitch
• D. none of the above

Answer 1

The correct option is C

pitch

The explanation for the correct answers:

1. We can be distinguished a shrill sound from a flat sound by its pitch.
2. Pitch is the high frequency or low frequency of a sound.
3. The pitch of the sound depends on the frequency.
4. Higher the pitch, the shriller the sound.
5. But if the pitch is low, the sound is flat or grave.

Hence, the pitch is the characteristic of sound which distinguish shrill sound from the fat sound.

The explanation for wrong answers.

Option (A):

1. The maximum displacement of a wave on either side is called amplitude.
2. Its unit is a meter.
3. Shrillness of sound does not depend on amplitude.
4. Hence, option (A) is wrong.

Option (B):

1. Loudness is a characteristic of sound which distinguishes a loud sound from a feeble sound.
2. Loudness depends on the amplitude of vibrating body.
3. Shrillness of sound does not depends on amplitude.
4. We can be distinguished a shrill sound from a flat sound by its pitch.

Hence, option (B) is wrong.