Question:

The acceleration due to gravity on moon is 1/6 times the acceleration due to gravity on earth. If the ratio of the density p to the density of moon p is 5/3, then the radius of moon R in terms of the radius of earth R is:

Options :

  • (a) (3/18)Re
  • (b) (7/6)Re
  • (c) (5/18)Re
  • (d) (1/2√3)Re

Answer :

(c) (5/18)Re

Answer Steps :

step 1

step 2

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