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Assertion: The speed of sound in solids ...

Assertion: The speed of sound in solids is maximum though their density is large.
Reason The coefficient of elasticity of solids is large.

A

Both 'A' and 'R' are true and 'R' is the correct, explanation of 'A'.

B

Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'

C

A' is true and 'R' is false

D

Both 'A' and 'R' are false

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The correct Answer is:
A
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AAKASH SERIES-WAVES-EXERCISE-IB (Assertion (A) & Reason (R) Type Questions)
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  8. (A): Speed of sound in a gas is independent of changes in pressure of ...

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  12. (A): A tuning fork is made of an alloy of steel, nickel and chromium. ...

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  13. (A): Two arms of a tuning fork vibrate in same phase. (R): Each arm ...

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  14. (A): All the particles between two consecutive nodes vibrate in the sa...

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  15. Assertion: In a stationary wave, there is no transfer of energy. Rea...

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  16. (A): For the formation of stationary waves the medium must be bounded ...

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  17. Statement-1 : In the case of a stationary wave, a person hear a loud s...

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  18. (A): Velocity of particles, while crossing mean position (in stationar...

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  20. A tuning fork producing sound will stop producing sound when you touch...

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