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The value of  at a particular point is . Suppose the earth suddenly shrinks uniformly to half its present size without losing any mass. The value of  at the same point (assuming that the distance of the point from the centre of earth does not shrink) will now be

a)

b)

c)

d)


Question ID - 55318 :-

The value of  at a particular point is . Suppose the earth suddenly shrinks uniformly to half its present size without losing any mass. The value of  at the same point (assuming that the distance of the point from the centre of earth does not shrink) will now be

a)

b)

c)

d)

1 Answer
5876 Votes
3537

Answer Key : (c) -

(c)

. Since  and  are constant, so



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The potential energy of 4-particalse each of mass 1 kg placed at the four vertices of a square of side length 1 m is

a)

b)

c)

d)


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