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Two identical balls 'A' and 'B' are movi...

Two identical balls 'A' and 'B' are moving with same velocity. If velocity of 'A' is reduced to half and of 'B' to zero, then the rise in temperature of 'A' to that is reduced to half and of 'B' to zero, then the rise in temperature of 'A' to that of 'B' is

A

`3:4`

B

`4:1`

C

`2:1`

D

`1:1`

Text Solution

Verified by Experts

The correct Answer is:
A
`mgh=mSDeltathetarArrhalpha S DeltathetarArr(h_(1))/(h_(2))xx(Deltatheta_(1))/(Deltatheta_(2))`
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