In a Young's double slit experiment with slit separation 0.1 mm, one observes a bright fringe at angle 1/{40} rad by using light of wavelength \lambda_1. When the light of wavelength \lambda_2 is used a bright fringe is seen at the same angle in the same set up.Given that \lambda_1 and \lambda_2 are in visible range (380 nm to 740 nm), their values are : [10 Jan 2019 Shift 1]

Correct Answer is : 625 nm, 500 nm

JEE Main 10 Jan 2019 Shift 1 Solved Paper

Section: Physics

Question : 6 of 90

Marks: +1, -0

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 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 (380 nm to 740 nm), their values are :

[10 Jan 2019 Shift 1]

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

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