1.

The depth at which the effective value of acceleration due to gravity is \[\frac{g}{4}\] is                                [MP PET 2003]

A. R
B. \[\frac{3R}{4}\]
C. \[11.2\times {{10}^{2}}\,km{{s}^{-1}}\]
D. \[\frac{R}{4}\]
Answer» C. \[11.2\times {{10}^{2}}\,km{{s}^{-1}}\]


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