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Physics · GRAVITATION
हिन्दीTwo planets revolve around the Sun with semi-major axes in the ratio \( 1 : 4 \). What is the ratio of their orbital time periods?
Correct answer · Option 4
\( 1 : 8 \)
Explanation
By Kepler's third law, \( \frac{T_1}{T_2} = (\frac{a_1}{a_2})^{3/2} = (\frac{1}{4})^{3/2} = \frac{1}{8} \).
