CBSE Class 12-science Answered
why does the position of cenral maxima not depend on wavelength and name the factors which determine the central maxima (for diffraction)
Asked by prakriti12oct | 06 Sep, 2019, 09:54: AM
Expert Answer
For position of central maximum, diffraction angle θ = 0 .
Hence wavelength is not a depending parameter for position of central maximum.
Width of central maximum = region of central maximum bounded by first minimum on both side of slit.
Width of central maximum is given in terms of diffraction angle as, θ = λ/a
Hence width of central maximum directly proportional to wavelength λ and inversely proportional to slit width a
Answered by Thiyagarajan K | 06 Sep, 2019, 11:19: AM
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