If the radius of the Earth is increased by a factor of 5 while the surface value of g is to remain unchanged, by what factor must its mean density change?

Physics · Gravitation · Acceleration Due to Gravity & Escape Velocity

JEE MainsAdvanced

If the radius of the Earth is increased by a factor of 5 while the surface value of g is to remain unchanged, by what factor must its mean density change?

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