A diffraction grating is just able to resolve two lines of λ = 5140.3 A0 and 5140.85 A0 in the first order. Will it resolve the lines 8037.50 A0 and 8037.90 A0 in the second order.
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- The intensity of the single-slit diffraction pattern at any angle 0 is given by 1 (0) = 1m (sing)². For light of wavelength 480 nm falling on a slit of width 3.5 µm, what is the value of a when 8 = 18°? 7.1 rad 0.31 rad 7.3 rad 2.3 rad 9.8 radA diffraction grating has 2500 lines/cm. What is the angle between the first-order maximum for red light wavelentgh = 680 nm and the first-order maximum for blue light wavelength = 410 nm?Find the distance of the slit separation given the following information: L = 1.87m,λ = 635.8 nm. Calculate the slit separation for m=0, 1,2,3 for the bright and dark fringes.
- Light of wavelength 520 nm illuminates a slit of width 0.45 mm. (a) At what distance from the slit should a screen be placed if the first minimum in the diffraction pattern is to be 0.52 mm from the central maximum? 0.45 m 0.53 m 0.63 m 0.72 m (b) Calculate the width of the central maximum. 1.04 mm 2.08 mm 3.12 mm 4.16 mmInformation is stored on an audio compact disc, CD-ROM, or DVD disc in a series of pits on the disc. These pits are scanned by a laser beam. An important limitation on the amount of information that can be stored on such a disc is the width of the laser beam. Explain why this should be, and explain how using a shorter-wavelength laser allows more information to be stored on a disc of the same size. With which color of light can the Hubble Space Telescope see finer detail in a distant astronomical object: red, blue, or ultraviolet? Explain your answer.What visible wave length will be reflected in this scenario: A 700 nm thick soap film floats on a plate. From the air, white light is struck onto the film at a normal incidence. the wavelength of visible light to air is 400 nm to 700 nm. The index of the soap film is 1.74 and 1.58 for the plate.
- If a soap bubble is 120 nm thick, what wavelength is most strongly reflected at the center of the outer surface when illuminated normally by white light? Assume that the index refraction of air is na 1 (the actual value is 1.0003) and the index refraction of soap is ns = 1.35.If 550-nm light is incident normally on a diffraction grating and exactly 11 lines are produced, the ruling separation must be: ○ between 2.75 x 10-6 m and 5.50 x 10-6 m ○ between 5.50 x 10-6 m and 1.10 x 10-5 m O between 3.30 x 10-6 m and 3.85 x 10-6 m O between 3.85 x 106 m and 4.40 x 10-6 m O between 2.20 x 10-6 m and 3.30 x 10-6 mA lens with an index of refraction of 1.60 is to be coated with a material (n = 1.40) that will make the lens nonreflecting for yellow-orange light (λλ = 515 nm) normally incident on the lens. What is the minimum required thickness of the coating?