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A granite rod of 60 cm length is clamped...

A granite rod of 60 cm length is clamped at its middle point and is set into longitudinal vibrations. The densit of grantite is `2.7 xx 10^(3) kg// m^(3)` and its Young's modulus is `9.27 xx 10^(10) ` Pa. WHat will be the fundamental frequency of the longitudinal vibrations?

A

10 kHz

B

7.5 kHz

C

5 kHz

D

2.5 kHz

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