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Question

An inverted tube barometer is kept in a lift moving vertical upward with an acceleration 'a'. The density of mercury is ρ and acceleration due to gravity is g. If the atmospheric pressure be Po then


A

Height of the mercury column in the lift will be Poρ(g+a)

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B

Height of the mercury column in the lift will be Poρ(ga)

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C

Height of the mercury column in the lift will be Poρg

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D

Height of the mercury column in the lift will be Poρa

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