2) White light passes through a 610-slit/mm diffraction grating (i.e. there are 610 slitswithin 1 mm of grating). First-order and second-order visible spectra ("rainbows")appear on the wall which is 32 cm away as shown in the figure below. Determine thewidths 11 and 12 of the two "rainbows" (take the wavelength interval to be 400 nm to700 nm).RedVioletRedDiffractiongratingVioletWhitelightWhite610 lines/mm| Violet-32 cm-RedVioletRed

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Answered: 2) White light passes through a…

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1a) The third-order dark fringe of light with a wavelength of 652 nm light is observed when the light passes through two narrow slits onto a screen. The slit distance is 6.3 x 10^-6 m. At what angle is the fringe observed? b) In an interference experiment, red light (600 nm) passes through a double slit. On a screen 1.5 m away, this distance between the 1st and 11th dark bands is 13.2 cm. What would the spacing be, between adjacent nodal lines, if blue light (450 nm) were used?
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