JEE · NEET Previous Year Question
The fringe width for red colour as compared to that for violet colour is approximately
Topic: JEE PYQ
Answer: D. Full step-by-step solution below.
- A4 times
- B3 times
- C8 times
- DDouble
Correct answer: D
Solution
(d) : Fringe width,Wavelength of red colour is,
Wavelength of violet colour is,
Therefore, it is clear that,
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