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The given diagrams show four mercury bar...

The given diagrams show four mercury barometers.

If the value of external pressure in cases (i), (ii), (iii) and (iv) is represented by `P_(I), P_(II), P_(III)` and `P_(IV)` respectively, then

A

`P_(I) gt P_(II) = P_(III) gt P_(IV)`

B

`P_(IV) gt P_(II) = P_(III) gt P_(I)`

C

`P_(III) gt P_(II) gt P_(IV) gt P_(I)`

D

`P_(I) = P_(II) =P_(III) gt P_(IV)`

Text Solution

Verified by Experts

The correct Answer is:
D
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