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Consider gases confined by a liquid, as ...

Consider gases confined by a liquid, as shown below.
Density of the liquid = `d."gmL"^(-1)`
`h_(1)` and `h_(3)` in mm and `p_(1), p_(2)` and `p_(3)` in mm Hg.

Select correct relation for pressure `p_(3)`

A

`p_3 = p_("atm") + 0.1 h_3d`

B

`p_3 = p_("atm") - 0.1 h_3 d`

C

`p_3 = p_("atm") - h_3 d`

D

`p_3 = p_("atm") + h_3d`

Text Solution

Verified by Experts

The correct Answer is:
B
`P_3 < P_("atm")`
`(h_3 dg)_(CGS) + P_3 = P_("atm") implies P_3 = P_("atm") - 0.1 h_3d`.
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