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Q.

A vessel is half filled with a liquid at 0°C.  When the vessel is heated to 100°C, the liquid occupies 3/4 volume of the vessel.  Coefficient of apparent expansion of the liquid is

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a

0.05/°C    

b

0.005/°C

c

0.0005/°C

d

0.5/°C

answer is C.

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Detailed Solution

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Volume of vessel = V
Initial volume of liquid V1 = V/2
Final volume of liquid V2 = 3V/4
Initial temp t1 = 00C
Final temp t2 = 1000C
We have \large \gamma_a=\frac {V_2-V_1}{V_1(t_2-t_1)}=\frac {\frac 34V-\frac V2}{\frac V2(100-0)}=0.005/^0C
 

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