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Standard XII

Physics

Ideal Gas Equation

A U-tube is p...

Question

A U-tube is partially filled with water.Oil which does not mix with water is next poured into one side, until water rises by 25 cm on th other side.If the density of oil is 0.8, the oil level will stand higher than the water level by

6.25 cm

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12.50 cm

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31.75 cm

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62.50 cm

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Solution

The correct option is A 6.25 cm
Since weight of oil = weight of water
$0.8 \times h = 1 \times 25 c m$
h = 31.25 cm
So, $h_{2} - h_{1} = 31.25 c m - 25 c m$
= 6.25 cm

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A U-tube is partially filled with water.Oil which does not mix with water is next poured into one side, until water rises by 25 cm on th other side.If the density of oil is 0.8, the oil level will stand higher than the water level by

The correct option is A 6.25 cmSince weight of oil = weight of water 0.8×h=1×25cm h = 31.25 cmSo, h2−h1=31.25cm−25cm = 6.25 cm

The correct option is A 6.25 cm
Since weight of oil = weight of water
$0.8 \times h = 1 \times 25 c m$
h = 31.25 cm
So, $h_{2} - h_{1} = 31.25 c m - 25 c m$
= 6.25 cm