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Huygens' Principle

Water- mirror...

Question

Water- mirror system is shown in figure. A point object P is also marked. The radii of curriature of mirror is 120 cm. Two images of object P are considered one by direct reflection from water surface and other by refraction at water surface-reflection at mirror-refraction at water surface. The separation between two images is

Refractive index of water is 48/3

A

$36$ cm

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B

$12$ cm

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C

$24$ cm

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D

$48$ cm

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Solution

The correct option is C
$24$ cm

Ist Image
It is formed due to reflection at water surface, (which can be considered as plane mirror) so depth of I, from surface of water is 12 cm

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Similar questions

Water- mirror system is shown in figure. $A$ point object $P$ is also marked. The radii of curriature of mirror is $120 c m$ . Two images of object $P$ are considered one by direct reflection from water surface and other by refraction at water surface-reflection at mirror-refraction at water surface. The separation between two images is

Refractive index of water is $\frac{48}{3}$

Q. Consider the situation shown in figure, water

(μ_{w} = 4 / 3)

is filled in a beaker up to a height of

10 cm

. A plane mirror fixed at a height of

5 cm

from the surface of water. Distance of image from the mirror after reflection from it of an object

O

at the bottom of the beaker is

Q. Consider the situation shown in figure. Water

(μ_{w} = \frac{4}{3})

is filled in a breaker upto a height of 10 cm. A plane mirror fixed at a height of 5 cm from the surface of water. Distance of image from the mirror after reflection from it of an object O at the bottom of the beaker is

Q. Consider the situation shown in figure. Water

(μ_{w} = \frac{4}{3})

is filled in a breaker upto a height of 10 cm. A plane mirror fixed at a height of 5 cm from the surface of water. Distance of image from the mirror after reflection from it of an object O at the bottom of the beaker is

Q. Consider the situation shown in Fig. Water

(μ = 4 / 3)

is filled in a beaker upto a height of

10 c m

.
A plane mirror is fixed at a height of

5 c m

from the surface of water. Distance of image from the mirror after reflection from it of an object

O

at the bottom of the beaker is

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