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JEE Main Physics Class 12 Wave Optics Part 1 Questions

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Question : 34

Total: 100

In a Young's double slit experiment with slit separation0.1mm, one observes a bright fringe at angle

rad by using light of wavelength λ1 When the light of wavelength λ2 is used a bright fringe is seen at the same angle in the same set up. Given that λ1 and λ2 are in visible range (380nm to 740nm), their values are:

[10 Jan. 2019 I]

625 nm, 500 nm
380 nm, 525 nm
380 nm, 500 nm
400 nm, 500 nm

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