In a Fraunhoffer diffraction at single slit of width with incident light of wavelength the first minimum is observed, at angle . The first secondary maximum is observed at an angle |
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a) |
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d) |
In a Fraunhoffer diffraction at single slit of width with incident light of wavelength the first minimum is observed, at angle . The first secondary maximum is observed at an angle |
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a) |
b) |
c) |
d) |