Q: A glass bulb of volume 250cc is filled with mercury at 20°C and the temperature is raised to 100°C.If the coefficient of linear expansion of glass is 9× 10-6/°C Coefficient of absolute expansion of mercury is 18×10-5/°C. The volume of mercury overflows
(a) 3.06cc
(b) 2.94cc
(c) 6.12cc
(d) 7.73cc
Ans:(a)