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If the density of the earth is doubled k...

If the density of the earth is doubled keeping its radius constant then acceleration due to gravity will be `(g=9.8 m//s^(2))`

A

`19.6m//s^2`

B

`9.8m//s^2`

C

`4.9m//s^2`

D

`2.45m//s^2`

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The correct Answer is:
A
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