COMEDK · Physics · 26. Wave Optics
In Young's double slit experiment, if monochromatic light used is replaced by white light, then
- A no fringes are observed
- B only central fringe is white, all other fringes are coloured
- C all bright fringes become white
- D all bright fringes have colours between violet and red
Answer & Solution
Correct Answer
(B) only central fringe is white, all other fringes are coloured
Step-by-step Solution
Detailed explanation
When the monochromatic light in Young's double slit experiment is replaced by white light, a white central bright fringe is observed as all wavelengths of light have zero phase difference at centre while at all other points, it is different for different colours. So different…
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