c) A spectrometer is uses ____________ in order to accurately measure wavelengths of light. A. a...
c) A spectrometer is uses ____________ in order to accurately measure wavelengths of light.
A. a diffraction grating
B. a prism
C. either a diffraction grating or a prism
In x-ray diffraction, when x-rays diffract in crystals, outgoing light from the top layer of atoms interacts with what light to cause constructive interference?
A. incident light on the top layer of atoms
B.light transmitted through the crystal
C. light reflected from another layer of atoms.
Homework Answers
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c) A spectrometer is
uses ____________ in order to accurately measure wavelengths of
light.
A. a...
A light ray in air (n= 1) is incident on a thin film of oil (noil...
A light ray in air (n= 1) is incident on a thin film of oil (noil = 1.60) floating on top of water (nwater = 1.33), as shown below. The wavelength of the incident light in air is Aair = 640 nm. The oil layer has a thickness t = 0.5 um. The ray is assumed to be incident practically along the normal. That is, we won't be worried about angles of reflection or refraction when doing this problem. However,...
Problem 2: X-ray diffraction: (a) Determine the maximum wavelength for which constructive interference can be observed...
Problem 2: X-ray diffraction: (a) Determine the maximum wavelength for which constructive interference can be observed in the Bragg model for a simple cubic crystal with a lattice constant of 3.6 A. (b)What is the energy of the X-rays in electron volts? (c) If you were to perform neutron diffraction, what would the energy of the neutrons have to be in order to obtain the same de Broglie wavelength? (d) You could argue that if you take X-rays with twice...
+ X-Ray Diffraction 25 of 30 > A Review Constants Periodic Table Part A X-ray diffraction...
+ X-Ray Diffraction 25 of 30 > A Review Constants Periodic Table Part A X-ray diffraction can be used to obtain structural information of crystalline compounds. X-ray wavelengths are about the same size as the space between atoms in solids. X-rays aimed at a crystal are diffracted by the atoms in the crystalline lattice. This results in an X-ray diffraction pattern, which can be seen on a detector placed behind the crystal. X-rays with a wavelength of 1.58 A scatter...
How many slits are needed in a diffraction grating that must resolve the m = 1...
How many slits are needed in a diffraction grating that must resolve the m = 1 maxima of two spectral lines at lambda_s = 610 nm and lamd_1 = 615 nm? A 0.500-mu m-thick flake of glass (n_glass = 1.52) from a broken cover slip is floating on water (n_water = 1.33). If white light initially travelling in the air (n_air = 1.00) is incident normal to the surfact of the glass, what wavelengths in the visible spectrum undergo constructive...
10.A narrow beam of white light is incident normally on the surface of a triangular silicate...
10.A narrow beam of white light is incident normally on the surface of a triangular silicate flint glass prism with one angle of 90. The index of refraction for violet light is 1.66 and for red light is 1.61. The angle in the prism is equal to 30° of glass. a. On the diagram below show an approximate sketch for the refracted light from the opposite face of the prism. Air B White light 780° Glass Calculate angular separation between...
the formula for reflected light form thin film layer 2 m m 0,1,2..where t is the...
the formula for reflected light form thin film layer 2 m m 0,1,2..where t is the film thickness the wavelength of the light and n is the index of refraction, can be used to determine a) constructive interference only b) b) destructive interference c) c) both destructive and constructive interference. The following picture shows wave fronts of a wave propagating in the transparent materials A and B. What can you tell about the speeds V, Vs of the wave and...
1. If light with a frequency below the cutoff frequency for a certain metal hits that...
1. If light with a frequency below the cutoff frequency for a certain metal hits that metal: Question 1 options: electrons will be ejected after the intensity of the light reaches a certain value no electrons will be ejected electrons will be ejected, but will fall back to the metal the light will be re-radiated by the metal I don't know. 2. One electron-volt is equivalent to Question 2 options: 1 J 1 V 1.6 x 10^-19 J 1.6 x...
Question: Diffraction of wave. Please explain in detailed how to do this kind of problem(prob 9)...
Question: Diffraction of wave. Please explain in
detailed how to do this kind of problem(prob 9)
last first 4 pts) Parallel wavefronts are incident on a slit of width a, as shown. Consider the six wavelets going at an angle θ. The path length difference of the wavelet pair (1, 4) is 1/2. Do the wavelets cause a bright fringe, dark fringe, or neither on a screen a distance L away, where L is much larger than d? 2 A...
White light is sent through a prism, and the various colors are typically separated. Which of...
White light is sent through a prism, and the various colors are typically separated. Which of the following colors would have the highest refractive index on this prism? Select one: to. Red b. green c. yellow d. blue Incident white light Red (760 nm) Violet (380 nn In Young's double-slit experiment, how many maxima occur between the sixth-order maxima? Select one: to. 10 b. eleven c. 12 d. 36 - YT M TV X o At what angle will the...
Question 6: What percentage error would result from miscounting the bars by one? EXPERIMENT 10 THIN...
Question 6:
What percentage error would result from miscounting
the bars by one?
EXPERIMENT 10 THIN FILM INTERFERENCE Light from a monochromatic source is shined downward on two glass plates that are separated at one end by a hair. Light that is reflected from the top and bottom surfaces of the wedge-shaped thin film of air undergoes interference, and a series of dark and light lines are seen. By counting the number of dark or light lines over a known...
A light ray in air (n= 1) is incident on a thin film of oil (noil = 1.60) floating on top of water (nwater = 1.33), as shown below. The wavelength of the incident light in air is Aair = 640 nm. The oil layer has a thickness t = 0.5 um. The ray is assumed to be incident practically along the normal. That is, we won't be worried about angles of reflection or refraction when doing this problem. However,...
Problem 2: X-ray diffraction: (a) Determine the maximum wavelength for which constructive interference can be observed in the Bragg model for a simple cubic crystal with a lattice constant of 3.6 A. (b)What is the energy of the X-rays in electron volts? (c) If you were to perform neutron diffraction, what would the energy of the neutrons have to be in order to obtain the same de Broglie wavelength? (d) You could argue that if you take X-rays with twice...
+ X-Ray Diffraction 25 of 30 > A Review Constants Periodic Table Part A X-ray diffraction can be used to obtain structural information of crystalline compounds. X-ray wavelengths are about the same size as the space between atoms in solids. X-rays aimed at a crystal are diffracted by the atoms in the crystalline lattice. This results in an X-ray diffraction pattern, which can be seen on a detector placed behind the crystal. X-rays with a wavelength of 1.58 A scatter...
How many slits are needed in a diffraction grating that must resolve the m = 1 maxima of two spectral lines at lambda_s = 610 nm and lamd_1 = 615 nm? A 0.500-mu m-thick flake of glass (n_glass = 1.52) from a broken cover slip is floating on water (n_water = 1.33). If white light initially travelling in the air (n_air = 1.00) is incident normal to the surfact of the glass, what wavelengths in the visible spectrum undergo constructive...
10.A narrow beam of white light is incident normally on the surface of a triangular silicate flint glass prism with one angle of 90. The index of refraction for violet light is 1.66 and for red light is 1.61. The angle in the prism is equal to 30° of glass. a. On the diagram below show an approximate sketch for the refracted light from the opposite face of the prism. Air B White light 780° Glass Calculate angular separation between...
the formula for reflected light form thin film layer 2 m m 0,1,2..where t is the film thickness the wavelength of the light and n is the index of refraction, can be used to determine a) constructive interference only b) b) destructive interference c) c) both destructive and constructive interference. The following picture shows wave fronts of a wave propagating in the transparent materials A and B. What can you tell about the speeds V, Vs of the wave and...
Question: Diffraction of wave. Please explain in
detailed how to do this kind of problem(prob 9)
last first 4 pts) Parallel wavefronts are incident on a slit of width a, as shown. Consider the six wavelets going at an angle θ. The path length difference of the wavelet pair (1, 4) is 1/2. Do the wavelets cause a bright fringe, dark fringe, or neither on a screen a distance L away, where L is much larger than d? 2 A...
White light is sent through a prism, and the various colors are typically separated. Which of the following colors would have the highest refractive index on this prism? Select one: to. Red b. green c. yellow d. blue Incident white light Red (760 nm) Violet (380 nn In Young's double-slit experiment, how many maxima occur between the sixth-order maxima? Select one: to. 10 b. eleven c. 12 d. 36 - YT M TV X o At what angle will the...
Question 6:
What percentage error would result from miscounting
the bars by one?
EXPERIMENT 10 THIN FILM INTERFERENCE Light from a monochromatic source is shined downward on two glass plates that are separated at one end by a hair. Light that is reflected from the top and bottom surfaces of the wedge-shaped thin film of air undergoes interference, and a series of dark and light lines are seen. By counting the number of dark or light lines over a known...
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