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Light of wavelength 6 , 000 Å falls on...

Light of wavelength 6 , 000 Å falls on a single slit and diffracts. It is observed that the first maximum in diffraction pattern subtends an angle of 45°, calculate the angular separation between central maxima and secondary maxima of first order in observed diffraction pattern.

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The correct Answer is:
`0.79` radian
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