A thin film of glass (n = 1.66) of thickness 0.343 μm is viewed under white...
A thin film of glass (n = 1.66) of thickness 0.343
μm is viewed under white light at near normal incidence.
What wavelength of visible light is most strongly
reflected by the film when surrounded by air? (Visible light ranges
from 400 to 700 nm.)
_____ nm
Homework Answers
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A thin film of glass (n = 1.66) of thickness 0.343
μm is viewed under white...
Please answers every part of Problem #2 of my physics practice exam. This is all under...
Please answers every part of Problem #2 of my physics
practice exam. This is all under #2
The index of refraction of a glass plate is 1.59. What is the Brewster's angle when the plate is in the following substances? (a) air o (b) water o Three polarizing plates whose planes are parallel are centered on a common axis. The directions of the transmission axes relative to the common vertical direction are shown in the figure below. A linearly polarized...
Problem 4 Glass A lens made of glass (ng 1.52) is coated with a thin film...
Problem 4 Glass A lens made of glass (ng 1.52) is coated with a thin film of MgF2 (ns- 1.38) of thickness t. Visible light is incident normally on the coated lens as in the figure MgF (a) For what minimum value tmin of t will the reflected light of wavelength 540 nm (in air) be missing? Incident light (b) What is the relation giving the other values of t that will minimize the reflected light at this wavelength? Give...
4, Thin films. (a) A film of water (n = 1.33) in air has a thickness...
4, Thin films. (a) A film of water (n = 1.33) in air has a thickness t = 320 nm. If it is illuminated with white light at normal incidence, what color will it appear to be in reflected light? (b) Lenses are often coated with thin films of transparent substances such as MgF2 (n - 1.38) to reduce the reflection from the glass surface. How thick t should the coating be to produce a minimum reflection at the center...
IP A thin soap film (n = 1.33) suspended in air has a uniform thickness. When...
IP A thin soap film (n = 1.33) suspended in air has a uniform thickness. When white light strikes the film at normal incidence, violet light ( λV = 420 nm) is constructively reflected. A) If we would like green light ( λG = 560 nm) to be constructively reflected, instead, should the film's thickness be increased or decreased? Answer: A thickness of the film must be increased OR B thickness of the film must be decreased B) Find the...
A lens made of glass (n. - 1.52) is coated with a thin film of MgF,...
A lens made of glass (n. - 1.52) is coated with a thin film of MgF, (n = 1.38) of thickness t. Visible light is incident normally on the coated lens as in the figure below. Glass thin film Incident An illustration shows a rectangular cross- section of glass lens oriented such that a thin film of thickness tcoats its left side. A ray of light directed to the right is perpendicularly incident upon the left side of the film....
Thin Film Interference Problems 1. Oil (n=1.25) floats on water. What is the minimum thickness of...
Thin Film Interference Problems 1. Oil (n=1.25) floats on water. What is the minimum thickness of oil in a region where it appears green ( = 525 nm)? (Ans: 210 nm) 2. A 500 nm thick layer of oil (n = 1.25) floats on water. What wavelengths of light in the visible range (400 nm to 700 nm) are maximally reflected? (Ans: 417 nm, 625 nm) 3. Athin film of acetone (n = 1.25) coats a thick glass plate (n...
When white light illuminates a thin film normal to the surface, it strongly reflects both blue...
When white light illuminates a thin film normal to the surface, it strongly reflects both blue light (500 nm in air) and red light (700 nm in air) as shown in the figure below. White light Blue and red are reflected Air Film Water 1) Calculate the minimum thickness of the film if it has an index of refraction of 1.35 and it "floats" on water with n = 1.33. (Express your answer to two significant figures.) 135 nm Submit
A thin film, with a thickness of 277.1 nm and with air on both sides, is...
A thin film, with a thickness of 277.1 nm and with air on both sides, is illuminated with a beam of white light. The beam is perpendicular to the film and consists of the full range of wavelengths for the visible spectrum. In the light reflected by the film, light with a wavelength of 632.3 nm undergoes fully constructive interference. At what wavelength does the reflected light undergo fully destructive interference? (Hint: You must make a reasonable assumption about the...
A soap film (n=1.33) is 764 nm thick. White light strikes the film at normal incidence....
A soap film (n=1.33) is 764 nm thick. White light strikes the film at normal incidence. What visible wavelengths will be constructively reflected if the film is surrounded by air on both sides?
A thin soap film (n = 1.33) is supported in air. The film gives a bright...
A thin soap film (n = 1.33) is supported in air. The film gives a bright fringe when viewed at normal incidence in reflected light with λ = 550 nm. Which of the following might be the thickness of the film?
Please answers every part of Problem #2 of my physics
practice exam. This is all under #2
The index of refraction of a glass plate is 1.59. What is the Brewster's angle when the plate is in the following substances? (a) air o (b) water o Three polarizing plates whose planes are parallel are centered on a common axis. The directions of the transmission axes relative to the common vertical direction are shown in the figure below. A linearly polarized...
Problem 4 Glass A lens made of glass (ng 1.52) is coated with a thin film of MgF2 (ns- 1.38) of thickness t. Visible light is incident normally on the coated lens as in the figure MgF (a) For what minimum value tmin of t will the reflected light of wavelength 540 nm (in air) be missing? Incident light (b) What is the relation giving the other values of t that will minimize the reflected light at this wavelength? Give...
4, Thin films. (a) A film of water (n = 1.33) in air has a thickness t = 320 nm. If it is illuminated with white light at normal incidence, what color will it appear to be in reflected light? (b) Lenses are often coated with thin films of transparent substances such as MgF2 (n - 1.38) to reduce the reflection from the glass surface. How thick t should the coating be to produce a minimum reflection at the center...
A lens made of glass (n. - 1.52) is coated with a thin film of MgF, (n = 1.38) of thickness t. Visible light is incident normally on the coated lens as in the figure below. Glass thin film Incident An illustration shows a rectangular cross- section of glass lens oriented such that a thin film of thickness tcoats its left side. A ray of light directed to the right is perpendicularly incident upon the left side of the film....
Thin Film Interference Problems 1. Oil (n=1.25) floats on water. What is the minimum thickness of oil in a region where it appears green ( = 525 nm)? (Ans: 210 nm) 2. A 500 nm thick layer of oil (n = 1.25) floats on water. What wavelengths of light in the visible range (400 nm to 700 nm) are maximally reflected? (Ans: 417 nm, 625 nm) 3. Athin film of acetone (n = 1.25) coats a thick glass plate (n...
When white light illuminates a thin film normal to the surface, it strongly reflects both blue light (500 nm in air) and red light (700 nm in air) as shown in the figure below. White light Blue and red are reflected Air Film Water 1) Calculate the minimum thickness of the film if it has an index of refraction of 1.35 and it "floats" on water with n = 1.33. (Express your answer to two significant figures.) 135 nm Submit
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