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Why should slit width be approximately equal to wavelength of light for diffraction?
Harikris2012
This is to maximize the effect of diffraction. The wavelength of the photon can be regarded as its 'size' . If it is too large then the slit is just to small for it and most of the photons will be absorbed or reflected. If it is far too small then the slit, in comparison, will be very large so most photons do not even notice its presence and will just continue on their merry way without interacting with it.
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∙ 11y ago
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Where is frequency located on wavelength?
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Defraction states that the angle of incidence is equal to the angle or reflection?
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