A liquid X of density 3.36 g/cm3 is poured in a U-tube, which contains Hg. Another liquid Y is poured in left arm with height 8 cm. Upper levels of X and Y are same. What is density of Y?
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a
0.8 g/cc
b
1.2 g/cc
c
1.4 g/cc
d
1.6 g/cc
answer is A.
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Detailed Solution
10cm×ρxg=8 cm ×ρYg+2cm×ρHg g 10 ×3.36=8×ρy+2×13.6 ⇒ ρY=0.8 g/cc