Question

An open U-tube contains mercury. When 13.6 cm of water is poured into one of the arms of the tube, then
the mercury rise in the other arm from its initial level is
(1)
1 cm
(2) 0.5 cm
(3)
10 cm
(4) 5 cm
Ahammeter kent in an elevator reads 76 cm when the elevator is accelerating upwards. The most likely
10

Answer 1

Answer:

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