Write true or false for each statement 

(a) Sound can travel in vacuum.

(b) Sound is a form of energy.

(c) Sound can only be produced by vibrating bodies.

(d) Larger is the amplitude, feeble is the sound.

(e) The frequency is measured in hertz.

(f) Loudness depends on frequency.

(g) Wave forms of two different stringed instruments can be the same.

(h) Female voice is shriller than the male voice.

(i) A ticking clock sound is heard late when heard through a metal.

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1 Answers

(a) False.

 Correct — Sound requires medium to travel.

(b) True

(c) True

(d) False. 

Correct — Larger the amplitude, greater is the sound.

(e) True

(f) False. Correct — Loudness depends on the amplitude.

(g) False. 

Correct—Wave forms of two different stringed instruments cannot be the same.

(h) True

(i) False. 

Correct—A ticking clock sounds is heard early when heard through a metal.

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