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Two liquids of densities rho1 and rho2(r...

Two liquids of densities `rho_1` and `rho_2(rho_2 = 3 rho_1)` are filled up behind a square wall of side 6 m as shown in figure. Each liquid has a height of 3 m. The ratio of the forces due to these liquids exerted on upper part MN to that at the lower part NO is (Assume that the liquids are not mixing)2

A

`2//3`

B

`1//5`

C

`1//3`

D

`1//2`

Text Solution

Verified by Experts

The correct Answer is:
B
`F_(1)=(rhohg)/2xxA`
`F_(2)=(rhogh+(3rhogh)/2)A`
`F_1/F_2=1/5`
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