Acceleration due to gravity on moon is 1/6 of the acceleration due to gravity on earth. If the ratio of densities of earth (ρe) and moon (ρm) is ρeρm=53 then radius of moon Rm in terms of Re will be

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

518Re

16Re

318Re

123Re

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

g=43πGρR⇒g∝ρR⇒gegm=ρeρm×ReRm⇒61=53×ReRm⇒Rm=518Re

Watch 3-min video & get full concept clarity