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Thermal expansion

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By Expert Faculty of Sri Chaitanya
Question

A Bakelite beaker has volume capacity of 500 cc at 30ºC. When it is partially filled with  Vm volume (at 30ºC) of mercury, it is found that the unfilled volume of the beaker remains constant as temperature is varies. If γbeaker=6×106ºC1 and  γmercury=1.5×104ºC1, where γ is the coefficient of volume expansion, then Vm  (in cc) is close to ________. 

Moderate
Solution

ΔVbeaker=ΔVmercuryγbeaker Vbeaker =γmercuryVmercury6×10-6500=1.5×10-4VmVm=20 cc


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Similar Questions

A glass vessel is partially filled with mercury and when both are heated together, the volume of the unfilled part of vessel remains constant at all temperature. Find the initial volume (in cm3) of mercury if the empty part measures 34 cm3  Given: αvessel =9×106/CγHg=18×105/C

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