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The ratio of the refractive index of red...

The ratio of the refractive index of red light to blue light in air is

A

Less than unity

B

Equal to unity

C

Greater than unity

D

Less as well as greater than unity depending upon the experimental arrangement

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The correct Answer is:
A
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MOTION-RAY OPTICS-Exercise-1
  1. The critical angle for diamond (refractive index = 2) is

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  2. The wavelength of light in two liquids ‘ x ' and ‘ y ' is 3500 Å and ...

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  3. The ratio of the refractive index of red light to blue light in air is

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  4. The refractive index of a piece of transparent quartz is the greatest ...

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  5. The refractive index of a certain glass is 1.5 for light whose wavelen...

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  6. When light travels from one medium to the other of which the refractiv...

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  7. A monochromatic beam of light passes from a denser medium into a rarer...

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  8. The critical angle for light going from medium X into medium Y is thet...

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

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

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  11. If the angle of prism is 60^(@) and the angle of minimum deviation i...

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  12. Angle of minimum deviation for a prism of refactive index 1.5, is equa...

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  13. The refracting angle of a prism is 40^(@). A ray of light is incident ...

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  14. A spectrum is formed by a prism of dispersive power omega. If the angl...

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  15. White light is passed through a prism whose angle is5^(@). If the refr...

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  16. The refractive indices of violet and red light are 1.54 and 1.52 respe...

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  17. The refractive index of flint glass for blue F line is 1.6333 and red ...

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  18. Indicate the correct statement in the following

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

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  20. The respective angles of the flint and crown glass prisms are A' and A...

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