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The coefficient of apparent expansion of mercury in a glass vessel is 153 × 10?6/ºC  and in a steel vessel is 144 × 10?6/ºC. If a for steel is 12 × 10?6/ºC, then that of glass is [EAMCET 1997]

A.            9 × 10?6/ºC                            
B.            6 × 10?6/ºC
C.            36 × 10?6/ºC                          
D.            27 × 10?6/ºC
Answer» B.            6 × 10?6/ºC


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