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The diagram shows a U-tube used to deter...

The diagram shows a U-tube used to determine the density of liquid P. When liquid P is poured into one arm, the water level in the other arm rises. If the densities of water and liquid P are `1000 "kg m"^(-3)` and `750 "kg m"^(-3)` respectively, then what is the value of h ?

A

`7` cm

B

`8` cm

C

`10` cm

D

`12` cm

Text Solution

Verified by Experts

The correct Answer is:
B
Density of water , `rho_("water")=1000kgm^(-3)`
Density of liquid `rho_("liquid")=750kgm^(-3)`
Since points A and B are at same level,
`:.` Pressure at A`=` pressure at B
`rho_("water")gxx6=rho_("liquid")gh`
`1000xx6=750xxh`
or `h=8cm`
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