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Physics · GRAVITATION

हिन्दी

The Martian orbit around the Sun has a radius \( 1.52 \) times the orbital radius of the Earth. What is the length of the Martian year in Earth days?

  1. A
    \( 555\text{ days} \)
  2. B
    \( 684\text{ days} \)
  3. C
    \( 365\text{ days} \)
  4. D
    \( 730\text{ days} \)
View Answer & Solution

Correct answer · Option B

\( 684\text{ days} \)

Explanation

By Kepler's third law, \( T_M = T_E (R_{MS}/R_{ES})^{3/2} = 365 \times (1.52)^{3/2} \approx 365 \times 1.874 = 684\text{ days} \).
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