Multiple choice

Assertion A: To orbit around Sun, the planet Mars takes lesser time than Earth. Reason R: The diameter of the planet Mars is less than that of Earth.

  1. Both ‘A’ and ‘R’ are true and ‘R’ is the correct explanation of ‘A’.

  2. Both ‘A’ and ‘R’ are individually true, but ‘R’ is not the correct explanation of ‘A’.

  3. ‘A’ is true, but ‘R’ is false.

  4. ‘A’ is false, but ‘R’ is true.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A is incorrect as Mars' revolution around the Sun takes 1.88 years of Earth’s revolution. The diameter of Earth is 12,742 km (7,918 miles) and the mass is 6,734 km (4,200 miles).

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