(3) 5 mm (4) 1 mmA beam of light consisting of two wavelengths,650 nm and 520 nm is used to obtaininterference in YDSE. If bright fringes due toboth the wavelengths concide at any point Pthen least distance of P from central maxima is(Slit separation is 2 mm and distance betweenslits and screen is 1.2 m)(1) 1.56 mm(2) 2.36 mm(3) 3 mm(4) 1.8 mmIn single SIILle slit diffraction experiment, if slit width ishin of original then intensity increases

(3) 5 mm (4) 1 mmA beam of light consisting of two wavelengths,650 n

1.	(3) 5 mm (4) 1 mmA beam of light consisting of two wavelengths,650 nm and 520 nm is used to obtaininterference in YDSE. If bright fringes due toboth the wavelengths concide at any point Pthen least distance of P from central maxima is(Slit separation is 2 mm and distance betweenslits and screen is 1.2 m)(1) 1.56 mm(2) 2.36 mm(3) 3 mm(4) 1.8 mmIn single SIILle slit diffraction experiment, if slit width ishin of original then intensity increases
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