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In a single slit diffraction experiment first minimum for red light (660 nm) coincides with first maximum of some other wavelength l'. The value of l' is
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Correct option is A
In a single slit diffraction experiment, position of minima is given by dsinθ=nλSo for first minima of red sinθ=1×λRdand as first maxima is midway between first and second minima, for wavelength λ',its position will be ⇒sinθ'=3λ'2dAccording to given condition sinθ=sinθ' ⇒λ'=23λRSo λ'=23×660=440 nm=4400 ÅTalk to our academic expert!
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In a single slit diffraction experiment first minimum for red light (660 nm) coincides with first maximum of some other wavelength '. The value of ' is
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