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A plane mirror is placed at the bottom o...

A plane mirror is placed at the bottom of a tank containing a liquid of refractive index `mu`. P is a small object at a height h above the mirror. An observes P and its image in the mirror. The apparent distance between two will be

A

`2muh`

B

`(2h)/(mu)`

C

`(2h)/(mu-1)`

D

`(h(mu-1))/(mu)`

Text Solution

Verified by Experts

The correct Answer is:
B

`P^':` image of P by plane mirror
`PP^'=2h`
As seen by O, `PP^'` will appear as `(2h)/(mu)`
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CP SINGH-REFRACTION OF LIGHT BY PLANE SURFACES-Exercises
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  2. A vessel of depth d is half filled with a liquid of refractive index m...

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  3. A plane mirror is placed at the bottom of a tank containing a liquid o...

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  4. An object is placed 20cm in front of a block of glass 10cm thick havin...

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  5. A slab of glass of refractive index 1.5 and thickness 3cm is placed wi...

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  6. A microscope is focused on a mark on a piece of paper and then a slab ...

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  7. A container is filled with water (mu=1.33) upto a height of 33.25 cm. ...

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  8. A diverging beam of light from a point source S having devergence angl...

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  9. A concave mirror is placed at the bottom of an empty tank with face up...

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  10. A pile driven into the bottom of a lake extends 3m above the bottom of...

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  11. A concave mirror with its optic axis vertical and mirror facinig upwar...

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  12. The mean distance of sun from the earth is 1.5xx10^8km. The time taken...

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  13. A ray of light composed of blue and red light is incident on a paralle...

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  14. When a ray of light enters a water filled glass tank from a glass face...

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  15. Light passes through a glass slab with parallel sides and thickness t....

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  16. A ray of light is incident on a surface of glass slab at an angle 45^@...

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  17. Two transparent slabs have the same thickness as shown in figure. One ...

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  18. A ray of light is incident on the surface of a glass plate of thicknes...

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  19. Maximum lateral displacement of ray light incident on a slab of thickn...

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  20. Two optical media of refractive indices n1 and n2 contain x and y wave...

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