MHT CET Physics question

A synchronous relay satellite reflects TV signals and transmits TV programme from one part of the world to the other because its

(A)period of revolution is greater than the period of rotation of the earth about its axis
(B)period of revolution is less than the period of rotation of the earth about its axis
(C)period of revolution is equal to the period of rotation of the earth about its axisCorrect
(D)mass is less than the mass of earth

Answer: (C)

Solution

A synchronous (geostationary) satellite has the same period (24 h) as the earth's rotation, so it appears fixed over a point; with a

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Question ID VK-060186