Fundamentholfundamenthol
JEE Main2019Physics
Q.

In a Young's double slit experiment with slit separation 0.1 mm, one observes a bright fringe at angle rad by using light of wavelength . When the light of wavelength is used a bright fringe is seen at the same angle in the same set up. Given that and are in visible range (380 nm to 740 nm), their values are : 

  1. A

    380 nm, 500 nm

  2. B

    625 nm, 500 nm

  3. C

    380 nm, 525 nm

  4. D

    400 nm, 500 nm

Solution

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