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Q.

Densities of a liquid at 30°C and 80°C are 0.6gm/c.c and 0.54 gm/c.c. The coefficient of real expansion of liquid is

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a

0.0002/°C

b

0.0001/°C

c

0.002/°C

d

0.001/°C

answer is B.

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Detailed Solution

γR=1ΔTρ30-ρ80ρ80=1500.6-0.540.54

⇒γR=0.002/C  ∘

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