As seen from above, the apparent depth of a liquid in a vessel is $15 cm$ , when its real depth is $20 cm$ . Find the refractive index of the liquid.

1.50

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1.33

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1.25

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1.67

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Solution

The correct option is B $1.33$
Let the refractive index of water be $μ$ .

We know that,
Refractive index of the liquid
$= \frac{Real depth}{Apparent depth}$

$μ = \frac{20}{15} = \frac{4}{3} = 1.33$

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As seen from above, the apparent depth of a liquid in a vessel is 15 cm, when its real depth is 20 cm. Find the refractive index of the liquid.

The correct option is B 1.33Let the refractive index of water be μ. We know that, Refractive index of the liquid =Real depthApparent depth μ=2015=43=1.33

As seen from above, the apparent depth of a liquid in a vessel is $15 cm$ , when its real depth is $20 cm$ . Find the refractive index of the liquid.

The correct option is B $1.33$
Let the refractive index of water be $μ$ .

We know that,
Refractive index of the liquid
$= \frac{Real depth}{Apparent depth}$

$μ = \frac{20}{15} = \frac{4}{3} = 1.33$