A cyclindrical tube of length 100 cm Contains some mercury inside. If the length of remaining air column remains constant at all temperatures, the height of mercury is neglect the expansion of cross section (gamma_(B) of Hg= 18 xx 10^(-5)//^(@) C, gamma_(g) of tube = 2.7 xx 10^(-5)//^(@) C )

A cyclindrical tube of length 100 cm Contains some mercury inside. If

1.	A cyclindrical tube of length 100 cm Contains some mercury inside. If the length of remaining air column remains constant at all temperatures, the height of mercury is neglect the expansion of cross section (gamma_(B) of Hg= 18 xx 10^(-5)//^(@) C, gamma_(g) of tube = 2.7 xx 10^(-5)//^(@) C )
Answer» 10 cm 15 cm 7.5 cm 12 cm Answer :B