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The coefficient of linear expansion of a...

The coefficient of linear expansion of a rod of length 1 m, at `27^@C`, is varying with temperature as `alpha` = 2/T unit `(300 K le T le 600 K)`, where T is the temperature of rod in Kelvin. The increment in the length of rod if its temperature increases from `27^@C` to `327^@C` is

A

0.3 m

B

3 m

C

0.4 m

D

4 m

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The correct Answer is:
B
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