Assertion (A): To orbit around the Sun the planet Mars takes lesser time than the time taken by the earth.
Assertion (A): To orbit around the Sun the planet Mars takes lesser time than the time taken by the earth.
Reason (R) : The diameter of the planet Mars is less than that of earth.
Codes:
(a) Both ‘A’ and ‘R’ are individually true and ‘R’ is the correct explanation of ‘A’ .
(b) Both ‘A’ and ‘R’ are individually true but ‘R’ is not the correct explanation of ‘A’.
(c) ‘A’ is true but ‘R’ is false. (d) ‘A’ is false but ‘R’ is true.
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(d) A is incorrect as the mars revolution round the sun takes 1.88 years of Earth's revolution. The diametre of earth is 12,742 km (7,918 miles) and the mass is 6,734 km (4,200 miles).
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