A) Increases
B) Decreases
C) First increases then decrease
D) None of these
Correct Answer: B
Solution :
In deep mine \[{g}'=g\,\left( 1-\frac{d}{R} \right)\]; i.e., g decreases so according to \[n\propto \sqrt{g},\] frequency also decreases.You need to login to perform this action.
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