Which of these statements about sound are correct? (There can be more than one statement)
1. Human ear drum senses the vibration of sound.
2. Higher is the frequency of vibration, lower is the pitch.
3. Amplitude of vibration affects the frequency of sound.

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Solution

Dear student 1. True. 2. False ( The higher is the frequency, i.e., more vibrations, the higher there will be the pitch while the lower the frequency, i.e., less vibrations, the lower will be the pitch ), 3. True. Regards

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Similar questions

The higher the frequency of vibration of sound, the lower is the pitch

Statement 1: Sound vibrations make the ear drum vibrate, the ear drum sends a vibration to the inner ear, from there the signal goes to the brain.
Statement 2: Ear drum is a thin stretched membrane.

State whether the following statements are true or false:

(a) Sound cannot travel in vacuum.

(b) The number of oscillations per second of a vibrating object is called its time-period.

(d) The lower the frequency of vibration, the higher is the pitch.

(e) If the amplitude of vibrations is doubled, the loudness of sound also gets doubled.

(f) When the amplitude of vibrations is halved, the loudness of sound becomes one-fourth.

(g) Unwanted or unpleasant sound is termed as music.

(h) Noise pollution may cause partial hearing impairment.

Q. Question 5
In order to reduce the loudness of a sound we have to

(a) Decrease its frequency of vibration of the sound.
(b) Increase its frequency of vibration of the sound.
(c) Decrease its amplitude of vibration of the sound.
(d) Increase its amplitude of vibration of the sound.

Q. In the following statements, tick T against those which are true, and F against those which are false:
(a) Sound cannot travel in vacuum. (T/F)
(b) The number of oscillations per second of a vibrating object is called its time period. (T/F)
(c) If the amplitude of vibration is large, sound is feeble. (T/F)
(d) For human ears, the audible range is

20 H z

20, 000 H z

. (T/F)
(e) The lower the frequency of vibration, the higher is the pitch. (T/F)
(f) Unwanted or unpleasant sound is termed as music. (T/F)
(g) Noise pollution may cause partial hearing impairment. (T/F)

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Which of these statements about sound are correct? (There can be more than one statement) 1. Human ear drum senses the vibration of sound. 2. Higher is the frequency of vibration, lower is the pitch. 3. Amplitude of vibration affects the frequency of sound.

Dear student 1. True. 2. False ( The higher is the frequency, i.e., more vibrations, the higher there will be the pitch while the lower the frequency, i.e., less vibrations, the lower will be the pitch ), 3. True. Regards

Which of these statements about sound are correct? (There can be more than one statement)
1. Human ear drum senses the vibration of sound.
2. Higher is the frequency of vibration, lower is the pitch.
3. Amplitude of vibration affects the frequency of sound.