The m = 3 fringe is located 3.4cm from the central m = 0 fringe when monochromatic radiation illuminates a double slit. The screen is 33cm from the slits. The slit spacing is 0.2mm. (a) What must be the wavelength of the radiation? nm (b) What type of radiation is this? v Select an option x-ray ultraviolet 1e used 0 of 5 attempts save visible infrared microwave M=O m= 1 3. 4 am D = 33 cm = 0.33m m = 2 = 0. 034 m m = 3 d = 0 . 2 mm = 0. 2x10 m 3x- fringe with = 0.034 m 9 fringe width B = 0-034m = 0. 0113 m 3 So , B = AD 2 7 1 = Bd 9 1 = 0.0113 x 0.2 x10 3 m 0. 33 9 1 = 0 . 00 68 48 x10-3 M 9 1 = 6. 848 X10 m 9 N = 6848 x10 9 m $ 1 = 68484mm CAnswer by Infrared (Answer )