If distance between earth and sun become four times, then time period becomes |
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a) |
4 times |
b) |
8 times |
c) |
1/4 times |
d) |
1/8 times |

If distance between earth and sun become four times, then time period becomes |
|||||||

a) |
4 times |
b) |
8 times |
c) |
1/4 times |
d) |
1/8 times |

1 Answer

127 votes

According to Kelper’s third law (law of periods), where T is time taken by the planet to go once around the sun and R is semi-major axis (distance) of the elliptical orbit. (i) Where is constant of proportionality. When becomes 4 times let time period be . So, time period becomes 8 times of previous value. |

127 votes

127