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Which of the following diagrams shows co...

Which of the following diagrams shows correctly the dispersion of white light by a prism ?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
B
Because in dispersion of white light, the rays of different colours are not parallel to each other. Also deviation takes place in same direction.
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A2Z-GEOMETRICAL OPTICS-Prism Theory And Dispersion Of Light
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  2. When light of wavelength lambda on an equilateral prism, kept on its m...

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  3. Which of the following diagrams shows correctly the dispersion of whit...

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  4. A light ray is incident perpendicularly to one face of a 90^circ prism...

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  5. Two lenses having f(1):f(2)=2:3 has combination to make no dispersion....

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  6. If refractive index of red, violet and yellow light are 1.42, 1.62 and...

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  7. A ray of light is incident at small angle I on the surface of prism of...

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  8. The angle of a prism is 60^(@) and its refractive index is sqrt(2). Th...

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  9. The dispersive powers of crown and flint glasses are 0.02 and 0.04 res...

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  10. When a ray of light is incident normally on one refracting surface of ...

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  11. Under minimum deviation condition in a prism, if a ray is incident at ...

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

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  13. For a prism of refractive index 1.732, the angle of minimum deviation ...

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

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  15. A prism of refractive index p and angle A is placed in the minimum dev...

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

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  17. A parallel beam of white light falls on a convex lens. Images of blue,...

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  18. A beam of light composed of red and green ray is incident obliquely at...

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  19. A ray of monochromatic light suffers minimum deviation of 38^(@) while...

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  20. For a small angled prism, angle of prism A of minimum deviation(delta)...

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