JEE · NEET Previous Year Question
In a double slit experiment, when a thin film of thickness having refractive index is introduced in front of one of the slits, the maximum at the centre of the fringe pattern shifts by one fringe width. The value of is is the wavelength of the light used):
Topic: JEE PYQ
Answer: C. Full step-by-step solution below.
- A
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- C
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Correct answer: C
Solution
(c) JEE Main 2019Given,
or
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