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When a ray of light is refracted by a pr...

When a ray of light is refracted by a prism such that the angle of deviation is minimum, then

A

the angle of emergence is equal to the angle of incidence

B

the angle of emergence is greater than the angle of incidence

C

the angle of emergence is smaller than the angle of incidence

D

the sum of the angle of incidence and angle of emergence is equal to `90^@`

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The correct Answer is:
A
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CP SINGH-REFRACTION OF LIGHT BY PLANE SURFACES-Exercises
  1. Pick out the correct staments about optical fibres from the following:...

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  2. Which of the following options are correct regarding prism?

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  3. When a ray of light is refracted by a prism such that the angle of dev...

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  4. Deviation delta produced by a prism of angle A, which is assumed to be...

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  5. The refracting angle of a prism is A and refractive index of the mater...

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  6. If the refracting angle of a prism is 60^@ and the minimum deviation i...

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  7. A ray of light passes through an equilateral glass prism in such a man...

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  8. A prism of apex angle A=60^@ has the refractive index mu=sqrt2. The an...

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  9. A parallel beam of monochromatic light is incident at one surface of a...

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  10. A ray of light is incident normally on one of the faces of a prism of ...

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  11. A ray of light is incident normally on one face of an equilateral pris...

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

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  13. A ray falls on a prism ABC(AB=BC) and travels as shown in adjoining fi...

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  14. A glass prism of refractive index 1.5 is immersed in water (refractive...

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  15. A prism of angle 60^@ deviates a ray of light through 32^@ for two ang...

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  16. The maximum value of index of refraction of a material of a prism whic...

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  17. Two beams of red and violet colours are made to pass separately throug...

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  18. When a glass prism of refracting angle 60^(@) is immersed in a liquid ...

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  19. Angle of prism is A and its one surface is silvered. Light rays fallin...

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  20. Three prisms 1, 2 and 3 have the prism angle A = 60^(@), but their ref...

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