1.

Ratio of g value at a depth \[{}^{R}/{}_{5}\]. to a depth \[{}^{R}/{}_{10}\] from the surface of the earth is

A.  \[\frac{5}{10}\]                               
B.  \[\frac{2}{1}\]
C.  \[\frac{8}{9}\]                  
D.  \[\frac{9}{8}\]
Answer» D.  \[\frac{9}{8}\]


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