A. 120°
B. 90°
C. 60°
D. 45°
E. 30°

Correct Answer:

Option E – 30°

SEE ALSO  In the hare's apparatus; water rises to a height of 26.5 cm in one limb. If a liquid rises to a height of 20.4 cm in the other limb; what is the relative density of the liquid?

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