In a vertical U-tube containing a liquid, the two arms are maintained at different temperatures
and
. The liquid columns in the two arms have heights
and
respectively. The coefficient of volume expansion of the liquid is equal to


Text Solution
Verified by ExpertsThe correct answer is:
A
Suppose, height of liquid in each arm before rising the temperature is l.

With temperature rise height of liquid in each arm increases i.e. l 1 > l and l 2 > l
Also 
⇒ ⇒
⇒ ⇒ 
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