The coefficient of volumetric expansion of mercury is 18×10-5/°C. T – McqOptions

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1.	The coefficient of volumetric expansion of mercury is 18×10-5/°C. The thermometer bulb has a volume of 10-6 m3 and cross-section of the stem is 0.002cm2. Assuming that bulb is filled with mercury at 0°C, the increase in length of the mercury column at 100°C will be ___________
A.	9cm
B.	9mm
C.	18cm
D.	18mm
Answer» B. 9mm

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