MHT CET Physics question

The relay satellite transmits the TV programme continuously from one par of the world to another because its:

(A)Period is greater than the period of rotation of the earth about its axis
(B)Period is less than the period of the earth about its axis
(C)Period has no relation with the period of the earth about its axis
(D)Period is equal to the period of rotations of the earth about its axisCorrect

Answer: (D)

Solution

A relay (geostationary) satellite has a period of 24 h equal to the earth's rotation period, so it stays above the same region;

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Question ID VK-059786