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The production of echo is due to

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Important Questions on Sound

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Physics Crash Course MHT-CET>Chapter 9 - Sound>Exercise 1>Q 65

As a wave propagates, which of the following is a wrong option?

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Physics Crash Course MHT-CET>Chapter 9 - Sound>Exercise 1>Q 66

The amplitude of the sound is doubled and the frequency is reduced to one fourth. The intensity of sound at the same point will be

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Physics Crash Course MHT-CET>Chapter 9 - Sound>Exercise 1>Q 67
Bass control in stereo system increases the power of
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Physics Crash Course MHT-CET>Chapter 9 - Sound>Exercise 1>Q 68
The approximate intensity level of the sound which can cause damage to the eardrum is
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Physics Crash Course MHT-CET>Chapter 9 - Sound>Exercise 1>Q 69
The pitch of sound depends upon
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Physics Crash Course MHT-CET>Chapter 9 - Sound>Exercise 1>Q 70
The loudness of sound is related to _____.
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Physics Crash Course MHT-CET>Chapter 9 - Sound>Exercise 1>Q 71
The power of sound from the speaker of radio is 20 mW. By turning the knob of the volume control, the power of the sound is increased to 400 mW. The power increase in decibels as compared to the original power is
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Physics Crash Course MHT-CET>Chapter 9 - Sound>Exercise 1>Q 72
If pressure amplitude in a sound wave is increased three times, then the percentage increase in the intensity of wave will be