Verified Solution • 2025–26 Session moderate

QAIPMT-2005-Ph-2554: NEET 2005 Physics - Class 11 AIPMT-2005-Ph-2554 Solution: Imagine a new planet having the same density as that of earth…

Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the acceleration due to gravity on the surface of earth is g and that on the surface of the new planet is g', then

Multiple Choice Options

A $g'=g/9$
B $g'=27g$
C $g'=9g$
D $g'=3g$

Step-by-Step Verified Solution

We know that g = G M R 2 = G ( 4 3 � R 3 ) R 2 = 4 3 � G R _ g _ g = R _ R = 3 R R = 3 _ g' = 3g

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