A bird is flying 12 m above the surface of pond. The apparent position of the bird as viewed by a fish 1 m below the surface is:
$(μ_{w} = \frac{4}{3})$

6 m

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10 m

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12 m

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16 m

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Solution

The correct option is D 16 m
Refractive Index of water w.r.t. air, $μ_{w, a i r} = 4 / 3$ .
So, Refractive Index of air w.r.t. water $μ_{a i r, w} = 3 / 4$
Actual height of the bird $h = 12 m$
Let apparent height be x

$3 / 4 =$ real height / apparent height $= 12 / x$
$x = 16 m$

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Q. A bird is flying 12 m above the surface of a pond. what is the apparent position of the bird as viewed by a fish 1 m below the surface?

(_{a} μ_{w} = \frac{4}{3})

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_{a} μ_{w} = \frac{4}{3}

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A bird is flying 12 m above the surface of pond. The apparent position of the bird as viewed by a fish 1 m below the surface is:(μw=43)

The correct option is D 16 mRefractive Index of water w.r.t. air, μw,air=4/3.So, Refractive Index of air w.r.t. water μair,w=3/4Actual height of the bird h=12 mLet apparent height be x3/4= real height / apparent height =12/xx=16 m

A bird is flying 12 m above the surface of pond. The apparent position of the bird as viewed by a fish 1 m below the surface is:
$(μ_{w} = \frac{4}{3})$

The correct option is D 16 m
Refractive Index of water w.r.t. air, $μ_{w, a i r} = 4 / 3$ .
So, Refractive Index of air w.r.t. water $μ_{a i r, w} = 3 / 4$
Actual height of the bird $h = 12 m$
Let apparent height be x

$3 / 4 =$ real height / apparent height $= 12 / x$
$x = 16 m$