Question

If the density of the planet were doubled keeping the radius same the acceleration due to gravity at the surface will be​

Answer 1

Answer:

The correct option is (2).

If the the radius of the planet were doubled, but the planetary density stayed the same, the acceleration due to gravity at the planet surface will gets doubled. So, the acceleration due to gravity at the planets surface would be 2g.

Explanation:

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Answer 2

Explanation:

The value of g=

R

2

GM

.

If the density of earth is doubled keeping volume same, then the mass of the earth is also doubled. So, M becomes 2M.

So, the value of g will be doubled.