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Choose the correct option:...

Choose the correct option:

A

Geometrical optics treats propagation of light in terms of rays and is valid only if wavelength of light is mush lesser than the size of obstacles

B

Wave optics concerns with explanation of the observed phenomena such as interference, diffraction and polarisation

C

Quantum optics treats light as a particle called photon is dealt with photoelectric effect LASER etc.

D

All option are correct.

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The correct Answer is:
D
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CP SINGH-REFLECTION OF LIGHT-EXERCISES
  1. Choose the correct option:

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  2. Ray optics is valid when characteristic dimensions are

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  3. The light reflected by a plane mirrorr may form a real image

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  4. A point source of light is placed in front of a plane mirror.

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  5. Figure shows two rays A and B being reflected by a mirror and going as...

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  6. A thick plane mirror shows a number of images of the filament of an el...

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  7. A man is 180 cm tall and his eyes are 10 cm below the top of his head....

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  8. A boy of height 1.5m with his eye level at 1.4m stands before a plane ...

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  9. A man is standing at distance x from a plane mirror in front of him. H...

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  10. When a plane mirror is placed horizontally on level ground at a distan...

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  11. A man 180 cm tall stands 4.5 m in front of a larger vertical plane mir...

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  12. A plane mirror reflects a beam of light to form a real image, The inci...

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  13. How many images will be formed if two mirrors are fitted on adjacent w...

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  14. The number of images formed by two plane mirrors inclined at 60^@ of a...

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  15. Two plane mirrors are inclined to each other at an angle theta. A ray ...

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  16. A ray of light is incident on a plane mirror at an angle of incidence ...

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  17. A ray reflected successively from two plane mirrors incline at a certa...

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  18. Two plane mirrors are placed perpendicular to each other. A ray strike...

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  19. Two plane mirrors are inclined at 70^@. A ray incident on one mirror a...

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  20. A ray of light makes an angle of 10^@ with the horizontal and strikes ...

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