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Question

Sound proof rooms are often made to avoid loud noise. The material generally used for sound proofing of rooms is


A

Cotton

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B

Coir

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C

Wood

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D

Styrofoam

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Solution

The correct option is D

Styrofoam


Polystyrene foams such as styrofoam can help muffle and reduce the presence of any noises from outside the immediate room or environment. It can also help keep interior noises from leaking out, which proves valuable to the recording musician or private business meeting.


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