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Volume of mercury in the bulb of a therm...

Volume of mercury in the bulb of a thermometer is `10^(-6)m^(3)`. Area of cross section of capillary tube is `2xx10^(-7)m^(2)`. If the temperature is raised by `100^(@)C`, the length of mercury column is `(gamma_(Hg)=18" "10^(-5)//""^(@)C)`

A

9 cm

B

9 mm

C

18 cm

D

5 cm

Text Solution

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The correct Answer is:
A
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