1.

A body weights 63N on the surface of the Earth. At a height h above the surface of Earth, its weight is 28N while at a depth h below the surface of Earth, the weight is 31.5N. The value of h is

A.  0.4 R                    
B.  0.5 R  
C.  0.8 R                    
D.  R
Answer» C.  0.8 R                    


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