Exam 34: Wave Optics

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Light from an argon laser of wavelength 449 nm strikes a diffraction grating.The central and first order principal maxima are separated by 0.550 m on a wall 2.00 m from the grating.Determine the number of grooves per centimeter for the diffraction grating.

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You have single slit diffraction with a wavelength of 570 nm at a distance of 100 cm.If the distance to the third minimum from the center of the pattern is 0.85 mm,what is the width of the slit? You have single slit diffraction with a wavelength of 570 nm at a distance of 100 cm.If the distance to the third minimum from the center of the pattern is 0.85 mm,what is the width of the slit?

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D

A telescope has an aperture of 20.3 cm.How far apart must two blue stars (wavelength = 490 nm)be if they are 65 light years away (1 ly = 9.46 * 1015m)in order for the telescope to be able to resolve the two stars?

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X-rays of wavelength 0.14 nm are directed toward a crystal.The separation between the planes is 0.512 nm.At what angle,relative to the crystallographic planes does the first order diffraction peak appear?

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Which of the following light types on a grating with 1000 rulings with a spacing of 2µm would produce the largest number of maxima on a screen 5 m away?

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Monochromatic blue light ( λ\lambda = 470 nm)is beamed into a Michelson interferometer.600 fringes move by the screen when the movable mirror is moved a distance d.How far was the movable mirror moved?

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For a double slit experiment,two 1.50-mm wide slits are separated by a distance of 0.500 mm.The slits are illuminated by a laser beam with wavelength 488 nm.If the separation of the bright fringes on the screen is 5.00 mm,then how far is the screen away from the slits?

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A square has sides of length L.In the lower-right and lower-left corners there are two sources of light waves,one in each corner,that emit identical in-phase light waves of wavelength 8.28 m in all directions.What is the minimum value of L such that constructive interference occurs in the upper-right corner? Ignore any reflections.

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Two stars must be separated if they're to be resolved for all wavelengths of visible light.Which principle can be used to determine the minimum angular separation of the two stars in order for them to be resolved?

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A red laser pointer with a wavelength of 635 nm is shined on a double-slit producing an interference pattern on a screen that is 1.6 m behind the double-slit.The central maximum of the interference pattern has a width of 4.2 cm,and it is noted that the third bright spot is missing on both sides.What is the size of the individual slits that were used to make the double-slit?

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Blue light ( λ\lambda vac = 440 nm )shines onto a puddle of water (nwater = 1.33).There is a thin layer of oil (n = 1.47)on top of this water.What is the minimum thickness of the oil if there is constructive interference for the light?

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A Young's interference experiment is performed with monochromatic green light ( λ\lambda = 470 nm).The separation between the slits is 0.120 mm,and the interference pattern on a screen shows the first side maximum 3.5 mm from the center of the pattern.How far away from the slits is the screen?

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You have single slit diffraction using monochromatic light at a screen to slit distance of 100 cm,and the width of the slit aperture is 1.0 mm.If the distance to the third minimum from the center of the pattern is 2.0 mm,what is the wavelength of the monochromatic light? You have single slit diffraction using monochromatic light at a screen to slit distance of 100 cm,and the width of the slit aperture is 1.0 mm.If the distance to the third minimum from the center of the pattern is 2.0 mm,what is the wavelength of the monochromatic light?

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The two headlights of an approaching automobile are a distance d = 1.80 m apart.An insect that has eyes with diameter 0.900 mm sees the car coming.How far away from the car (in m)can the insect tell that the car has two headlights? Assume light with wavelength 580.0 nm.

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Light from a laser strikes a diffraction grating that has 6500 grooves per centimeter.The interference pattern is observed on a wall 1.00 m from the grating.If the wavelength of the laser light is 454 nm,how far from the central maximum is the first order maximum?

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Young's double-slit experiment in 1801 showed that

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A diffraction grating x = 1.30 cm wide produces a first order maximum at θ\theta = 5.90 degrees with light of wavelength 590.0 nm.What is the number of lines in the grating?  A diffraction grating x = 1.30 cm wide produces a first order maximum at  \theta  = 5.90 degrees with light of wavelength 590.0 nm.What is the number of lines in the grating?

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A square has sides of length L.In the lower-right and lower-left corners there are two sources of light waves,one in each corner,that emit identical in-phase light waves of wavelength 8.28 m in all directions.What is the minimum value of L such that destructive interference occurs in the upper-right corner? Ignore any reflections.

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X-rays are directed toward a crystal.The first order diffraction peak appears at 11 ∘\circ for certain crystallographic planes.The separation between the planes is 0.512 nm.What is the wavelength of the x-rays?

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The distance between the slits in a double slit experiment is 5.00 *10-4 m.A beam of light is shone on the slits.The angular separation between the central maximum and the adjacent maximum is 9.94 * 10-4 rad.What is the wavelength of the light?

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