A mercury pallet is trapped in a horizontal tube of small cross–section area. Length of tube enclosed by mercury pallet is 20 cm when it is accelerated with a = g/2 in the direction shown. The length of tube enclosed by pallet if it is accelerated in opposite direction with same acceleration is: (Atmospheric pressure is 7.2.5 cm of Hg)
Text Solution
Verified by ExpertsThe correct answer is:
D
P 1 = P 0 + 
. λ
= 72.5 + 2.5 = 75 cm of Hg
P 2 = 72.5 – 2.5 = 70 cm of Hg
P 2 x 2 = P 1 x 1 ⇒ x 2 = 
= 21.42 cm
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