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InterviewSolution
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If the distance between the earth and the sun becomes `1//4th` of its present value, then its period of revolution around the sun will becomeA. `((365)/(4))`daysB. `(365xx4)` daysC. `(365xx8)` daysD. `((365)/(8))` days |
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Answer» Correct Answer - D `because T^(2)prop R^(3)` `therefore (T_(2)^(2))/(T_(1)^(2))=(R_(2)^(3))/(R_(1)^(3))=(((R_(1))/(4))/(R_(1)))^(3)=(1)/(64)` `therefore ((T_(2))/(T_(1)))^(2)=((1)/(8))^(2)` `therefore (T_(2))/(T_(1))=(1)/(8)` or `T_(2)=(T_(1))/(8)=((365)/(8))` days |
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