How would you determine velocity of sound in solids? How would you determine velocity of sound in water?

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Solution

Velocity of sound in matter:
Sound is a mechanical wave, thus it needs a medium for transmission. Also, the velocity of sound waves depends on the medium it is travelling in.
The velocity of the sound wave can be calculated by:
$V = \sqrt{\frac{E}{ρ}} w h e r e E i s c o - e f f i c i e n t o f e l a s t i c i t y o f t h e m e d i u m ρ i s t h e d e n s i t y o f t h e m e d i u m$
For air the formula changes as below:
$V = \sqrt{\frac{γ P}{d}} w h e r e γ i s c o n s \tan t f o r a g a s P i s t h e p r e s s u r e o f t h e m e d i u m d i s t h e d e n s i t y o f t h e m e d i u m$

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