Q77 / 90 · JEE Main 2014 (09 Apr Online) · Physics
India's Mangalyan was sent to the Mars by launching it into a transfer orbit EOM around the sun. It leaves the earth at and meets Mars at . If the semi-major axis of Earth's orbit is , that of Mar's orbit , taking Kepler's laws, give the estimate of time for Mangalyan to reach Mars from Earth.

India's Mangalyan was sent to the Mars by launching it into a transfer orbit EOM around the sun. It leaves the earth at and meets Mars at . If the semi-major axis of Earth's orbit is , that of Mar's orbit , taking Kepler's laws, give the estimate of time for Mangalyan to reach Mars from Earth.
- Adays.
- Bdays.
- Correct answerCdays.
- Ddays.
Solution
Semi major axis of mangalyan,
From Kepler's law,
Required time .
From Kepler's law,
Required time .
Hence, the correct answer is option: 'C'.