Question

Suppose the gravitational force varies inversely as the 4th power of the distance. If a satellite describes a circular orbit of radius R under the influence of this force, then the time period T of the orbit is proportional to

(a)  R^3/2

(b)  R^5/2

(c)  R²

(d)  R^7/2 

Answer 1

Correct option   (b) R^5/2

Explanation: