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Stereoisomerism

89. In the si...

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89. In the situation shown the distance between the object O and its image is 24cm. The object is 6 cm above water level and the beaker containing water upto 8 cm is kept on a plane mirror. Refractive index of water is

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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

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

Q. A container is filled with water

(μ = 1.33)

upto a height of

33.25 c m

. A convex mirror is placed

15 c m

above the water level and the image of an object placed at the bottom is formed

25 c m

below the water level. Focal length of the mirror 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. A thin equiconvex lens of refractive index

3 / 2

is placed on a horizontal plane mirror as shown in figure. The space between the lens and the mirror is filled with a liquid of refractive index

4 / 3

. It is found what when a point object is placed

15 c m

above the lens on its principal axis, the object coincides with its own image.
If another liquid is filled instead of water, the object and the image coincide at a distance

25 c m

from the lens. Calculate the refractive index of the liquid.

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