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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

`9.8 m//s^(2)`

B

`19.6 m//s^(2)`

C

`4.9 m//s^(2)`

D

`39.2 m//s^(2)`

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The correct Answer is:
B
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