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The volume of mercury in the bulb of the...

The volume of mercury in the bulb of thermometer is `10^(-6) m^(3)`. The area of cross-section of the capillary tube is `2 xx 10^(-7) m^(2)`. If the temperature is raised by `100^(0)C`, the increase in the length of the mercury column is `(gamma_(Hg) = 18 xx 10^(-5//@)C)`

A

`18 cm`

B

`9 cm`

C

`4 cm`

D

`1.8 cm`

Text Solution

Verified by Experts

The correct Answer is:
B
`DeltaV = A xx Deltal rArr VgammaDeltat = A xx Deltal`
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