Question

22. A planet moves round the sun in a circular orbit. Assuming that the period of revolution t of the planet depend upon the radius R of its orbit the mass M of the planet and universal constant G, Derive formula dimensionally.

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Answer 1

Answer:

A planet moves around the sun in nearly circular orbit. Its period revolution 'T' depends upon radius of orbit, mass of the sun and the gravitational constant. Hence, The square of time period is directly proportional to the cube of the radius of the orbit.