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Question: If the radius of earth's orbit is made 1/4, the duration of an year will become...

If the radius of earth's orbit is made 1/4, the duration of an year will become

A

8 times

B

4 times

C

1/8 times

D

1/4 times

Answer

1/8 times

Explanation

Solution

T2∝r3T ^ { 2 } \propto r ^ { 3 } If r made half then T will become T8\frac { T } { 8 }