Questions
In a single slit diffraction, the width of slit is
detailed solution
Correct option is C
Slit width a=0.2 cm=0.2×10−2 m Focal length l=40 cm=40×10−2 m Wavelength λ=5000 A0 =5000×10−10 m β=nλfa =1×5×10−7×40×10−22×10−3 ∴ β=100 μmTalk 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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