Categories > wave-optics > Young's Double Slit Experiment > In double slit experiment, the angular width of the fringes is $0.20^o$ for the sodium light ($\lambda$ =5890 Å). In order to increase the angular width of the fringes by 10%, the necessary change in the wavelength is

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Question: In double slit experiment, the angular width of the fringes is $0.20^o$ for the sodium light ($\lambda$ =5890 Å). In order to increase the angular width of the fringes by 10%, the necessary change in the wavelength is


1) Increase of 589 Å
2) Decrease of 589 Å
3) Increase of 6479 Å
4) Zero
Solution: Explanation: No Explanation
Young's Double Slit Experiment YDSE

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