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If wavelength of light and separation between slit and screen are fixed. If the slit width is halved, then the angular width become
If wavelength of light and separation between slit and screen are fixed. If the slit width is halved, then the angular width become
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Narrower slit $\implies$ broader diffraction pattern. The angular spread is purely a consequence of the ratio of wavelength to slit size ($\lambda/a$).
Updated On: Apr 21, 2026
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