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The dispersion of light in a medium impl...

The dispersion of light in a medium implies that :

A

lights of different wavelengths travel with different speeds in the medium

B

lights of different frequencies travel with different speeds in the medium

C

the refractive index of medium is different for different wavelengths

D

all of the above.

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The correct Answer is:
D
N//a
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RESONANCE ENGLISH-GEOMATRICAL OPTICS -Exercise-1
  1. The focal length of a plano-concave lens is -10 cm , then its focal le...

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  2. A convex lens of focal length 80 cm and a concave lens of focal length...

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  3. The dispersion of light in a medium implies that :

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  4. Critical angle of light passing from glass to air is least for

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  5. A plane glass slab is placed over various coloured letters. The letter...

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  6. A medium has nv = 1.56, nr=1.44. Then its dispersive power is:

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  7. All the listed things below are made of flint glass. Which one of thes...

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  8. Light of wavelenght 4000 A is incident at small angle on a prim of ape...

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  9. A simple microscope has a focal length of 5 cm . The magnification at...

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  10. In a compound microscope, the intermediate image is

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  11. The resolving power of a telesope is more when its objective lens has

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  12. A Galileo telescope has an objective of focal length 100cm and magnif...

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  13. The convex lens is used in-

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  14. The magnifying power of a simple microscope can be increased, if we us...

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  15. The focal length of the objective lens of a compound microscope is

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  16. Resolving power of a microscope is given by

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  17. An astronomical telescope has an eyepiece of focal-length 5cm. If the ...

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  18. A person with a defective sight is using a lens having a power of +2D....

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  19. The focal lengths of the objective and eye lens of a microscope are 1 ...

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  20. If the focal length of the objective and eye lens are 1.2 cm and 3 cm...

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