The stylus of a phonograph record exerts a force of 7.7 x 10\(^{-2}\)N on a groove of radius 10\(^{-5}\)m. Compute the pressure exerted by the stylus on the groove
a
2.45 x 108 Nm-2
b
3.45 x 108 Nm-2
c
4.90 x 108 Nm-2
d
2.42 x 108 Nm-2
Explanation
Correct Option
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