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If the radius of the earth decreases by ...

If the radius of the earth decreases by 20% such that mass does not change, then the length of the new day would be

A

`(24xx16)/(25)h`

B

`(24xx25)/(16)h`

C

`(25xx16)/(24)h`

D

`(24)/(16)h`

Text Solution

Verified by Experts

The correct Answer is:
A
`(T_(2))/(T_(1))=((R_(2))/(R_(1)))^(2)`
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