QueenElizabeth5017 QueenElizabeth5017

23-01-2024
Mathematics

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In double slit experiment, the angular width of the fringes is 0.20° for the sodium light (a = 5890 Å). In order to increase the angular width of the fringes by 10%, the necessary change in the wavelength is :
A) Increase of 589 Å
B) Decrease of 589 Å
B) Increase of 6479 Å
D) Zero

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