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10. Wave optics — Physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 SciencePhysics10. Wave optics1 Mark
MCQ
In Young’s double slit experiment, the central bright fringe can be identified
  • ✓
    By using white light instead of monochromatic light
  • B
    As it is narrower than other bright fringes
  • C
    As it is wider than other bright fringes
  • D
    As it has a greater intensity than the other bright fringes
✓

Answer

Correct option: A.
By using white light instead of monochromatic light
a
(a)When white light is used, central fringe will be white with red edges, and on either side of it, we shall get few coloured bands and then uniform illumination.

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