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A ray of light is incident on a parallel...

A ray of light is incident on a parallel slab of thickness t and refractive index n. If the angle of incidence `theta` is small, than the lateral displacement in the incident and emergent ray will be

A

`(t theta(n-1))/(n)`

B

`(t theta)/(n)`

C

`(t thetan)/(n-1)`

D

none of these

Text Solution

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The correct Answer is:
A
N//a
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RESONANCE ENGLISH-GEOMATRICAL OPTICS -Exercise-1
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  2. A ray of light passes from vaccum into a medium of refractive index n....

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  3. A ray of light is incident on a parallel slab of thickness t and refra...

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  4. A ray of light travelling in air is incident at grazing incidence on a...

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  5. A beam of light is converging towards a point. A plane parallel plate ...

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  6. Given that, velocity of light in quartz =1.5xx10^(8)m//s and velocity ...

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  7. The critical angle of light from medium A to medium B is theta. The sp...

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  8. A ray of monochromatic light is incident on one refracting face of a p...

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  9. A prism having refractive index sqrt2 and refractive angle 30^@ has on...

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  10. A ray of light is incident at angle I on a surface of a prism of small...

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  11. A prism of refractive index sqrt2 has refractive angle 60^@. In the or...

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  12. A prism of refractive index sqrt2 has refractive angle 60^@. In the or...

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  13. A prism of refractive index sqrt2 has refractive angle 60^@. In the or...

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  14. The maximum refractive index of a material, of a prism of apex 90^(@) ...

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  15. A prism having an apex angle 4^(@) and refraction index 1.5 is located...

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  16. There is a small black dot at the centre C of a solid glass sphere of ...

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  17. The image for the converging beam after refraction through the curved ...

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  18. A plano-concave lens is placed on a paper on which a flower is drawn. ...

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  19. A beam of diameter 'd' is incident on a glass hemisphere as shown. If ...

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  20. A convexo-concave convergent lens is made of glass of refractive index...

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