The number of vibrations per minute by an object is called loudness.

True

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False

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Solution

The correct option is B False
Frequency is the number of vibrations per minute of an object.
Loudness is the maximum amplitude of a sound wave.
So given statement is false.

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Similar questions

Fill in the blanks with suitable words.

(a) Time taken by an object to complete one oscillation is called _________.

(b) Loudness is determined by the ________ of vibration.

(d) Unwanted sound is called _________.

(e) Shrillness of a sound is determined by the _________ of vibration.

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.

Number of vibrations completed by a vibrating object per unit is called ___________

The number of oscillations per second of a vibrating object is called its time period

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