Gravitation class 11 MCQ
Last updated on July 27th, 2023 at 10:14 am
Gravitation (class 11) MCQ – Set 5
21. In a region, the gravitational field is zero. The gravitational potential in this region.
(a) must be variable
(b) must be constant
(c) cannot be zero
(d) must be zero
(b) must be constant
22. Where will it be profitable to purchase one kilogram of sugar?
(a) At poles
(b) At the equator
(c) At 45° latitude
(d) At 40° latitude
(a) At poles
23. At sea level, a body will have minimum weight at
(a) pole
(b) equator
(c) 42° south latitude
(d) 37° north latitude
(b) equator
24. Earth is flattened at the poles and bulged at the equator. This is due to
(a) the angular velocity of spinning about its axis is less at the equator
(b) the angular velocity of spinning about its axis is more at the equator
(c) the centrifugal force is more at the equator than at the poles
(d) earth revolves around the sun in an elliptical orbit
(c) the centrifugal force is more at the equator than at the poles
25. In a gravitational field, at a point where the gravitational potential is zero
(a) the gravitational field is necessarily zero
(b) the gravitational field is not necessarily zero
(c) any value between one and infinite
(d) None of these
(a) the gravitational field is necessarily zero
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