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A rectangular block is heated from 0^(@...

A rectangular block is heated from `0^(@)C` to `100^(@)C`. The percentage increase in its length is `0.2%` . The percentage increase in its volume is

A

`0.6%`

B

`0.10%`

C

`0.2%`

D

`0.4%`

Text Solution

Verified by Experts

The correct Answer is:
A
Volume `V = L^(3)`
`:. (DeltaV)/(V) xx 100 = 3 (DeltaL)/(L) xx 100 = 3 xx 0.2 = 0.6 %`
`( :' (DeltaL)/(L) = 0.2)`
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