Suppose there are two planets, 1 and 2, having the same density but their radii are R_1 and R_2 respectively, where R_1 > R_2. The accelerations due to gravity on the surface of these planets are related as

NDA 2019 Physics question

Suppose there are two planets, 1 and 2, having the same density but their radii are and respectively, where . The accelerations due to gravity on the surface of these planets are related as

(A)Correct
(B)
(C)
(D)Can't say anything

Answer: (A)

Solution

\dfrac{GM}{R^2}\dfrac{G(\frac{4}{3}π R^3ρ)}{R^2}\dfrac{4}{3}$π

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-031351