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Question

Some common mediums in which speed of sound waves is measured are mentioned.
1. Air
2. Steel
3. Copper
4. Water
What is the correct increasing order of the speed of sound?

A
1<4<2<3
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B
4<1<2<3
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C
1<4<3<2
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D
4<1<3<2
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Solution

The correct option is C 1<4<3<2
Speed of sound is lowest in gases, and highest in liquids.
It is more in Steel than in copper, because steel has higher Young's Modulus.
speed=Youngs Modulusdensity

So option C represents correct order of speed of sound in increasing order.

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