A granite rod of 60 cm length is clamped at its middle point and is set into longitudinal vibrations. The density of granite is 2.7\times10^3kg\text{/}m^3 and its Young’s modulus is 9.27\times10^10 Pa.What will be the fundamental frequency of the longitudinal vibrations ? [Main 8 April 2018]

JEE Main 08 Apr 2018 Code A Solved Paper

Section: Physics

Question : 13 of 90

Marks: +1, -0

A granite rod of 60 cm length is clamped at its middle point and is set into longitudinal vibrations. The density of granite is 2.7×103kg/m3 and its Young’s modulus is 9.27×1010 Pa.What will be the fundamental frequency of the longitudinal vibrations ?

[Main 8 April 2018]

5 kHz
2.5 kHz
10 kHz
7.5 kHz

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