set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Assertion :
The value of ‘g’ is greater at the equator than at the poles.
Reason :
Radius is more at the equator than at the poles.

a) If Assertion is correct but Reason is incorrect.

b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

c) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

d) If Assertion is incorrect but Reason is correct.

Question : 2

Assertion (A) :
Space rocket are usually launched in the equatorial line from west to east
Reason (R) :
The acceleration due to gravity is minimum at the equator.

a) A is true but R is false

b) Both A and R are true but R is not the correct explanation of A

c) Both A and R are ture and R is the correct explanation of A

d) A is false but R is true

Question : 3

The mass of a body on earth is 100 kg (acceleration due to gravity, $g_e = 10 m/{s}^2$. If acceleration due to gravity on the moon is $g_e$/ 6, then the mass of the body on the moon is :

a) 100 kg

b) 60 kg

c) 100/6 kg

d) 600 kg