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4. Light from a laser has a wavelength of 630 nm in a vacuum. Calculate the...
A laser produces light with a wavelength of 510 nm in vacuum. It takes 2.85 ns...
A laser produces light with a wavelength of 510 nm in vacuum. It takes 2.85 ns for the light to pass through 45 cm of an unknown transparent material. a. What is the speed of light in the material? b. What is the index of refraction of the material? c. What is the wavelength of the light in the substance? d. How long would it take for this light to pass through 45 cm of water?
2. A laser produces light with a wavelength of 510 nm in vacuum. It takes 2.85...
2. A laser produces light with a wavelength of 510 nm in vacuum. It takes 2.85 ns for the light to pass through 45 cm of an unknown transparent material. a. What is the speed of light in the material? b. What is the index of refraction of the material? c. What is the wavelength of the light in the substance? d. How long would it take for this light to pass through 45 cm of water?
Light of wavelength 725 nm in vacuum is incident on a single slit whose width is...
Light of wavelength 725 nm in vacuum is incident on a single slit whose width is 1.60 Times 10^-5 m. The setup is then immersed in water whose index of refraction is 1.33. What is the angle d that locates the third dark fringe with respect to the central bright fringe? Theta = Number units (degrees)
A thin beam of laser light of wavelength 514 nm passes through a diffraction grating having...
A thin beam of laser light of wavelength 514 nm passes through a diffraction grating having 3952 lines/cm. The resulting pattern is viewed on a distant curved screen that can show all bright fringes up to and including ?90.0? from the central spot. If the experiment were performed with all of the apparatus under water (which has an index of refraction of 1.33), what would be the TOTAL number of bright spots that would show up on the screen?
The wavelength of red helium-neon laser light in air is 632.8 nm. (a) What is its...
The wavelength of red helium-neon laser light in air is 632.8 nm. (a) What is its frequency? Hz (b) What is its wavelength in glass that has an index of refraction of 1.48? nm (c) What is its speed in the glass? Mm/s
In a ruby laser, laser light of wavelength 694.3 nm is emitted. The ruby crystal is...
In a ruby laser, laser light of wavelength 694.3 nm is emitted. The ruby crystal is 7.80 cm long, and the index of refraction of ruby is 1.75. Think of the light in the ruby crystal as a standing wave along the length of the crystal. How many wavelengths fit in the crystal? (Standing waves in the crystal help to reduce the range of wavelengths in the beam.) wavelengths
#1: What is the thinnest soap film that will strongly reflect red light from a helium-neon...
#1: What is the thinnest soap film that will strongly reflect red light from a helium-neon laser? The wavelength of this light is 633 nm in air and 470 nm in soapy water. #2 What is the wavelength of the light from a carbon dioxide laser when it is in glass with an index of refraction of 1.7? The wavelength in a vacuum is 10600 nm.
In a laser experiment, a laser beam i of vacuum wavelength 1 has to propagate in...
In a laser experiment, a laser beam i of vacuum wavelength 1 has to propagate in air (nı = 1) through a prism which is anti-reflex (AR) coated to minimize reflections. The prism is made from a glass which has an index of refraction of n3 = 1.3). The thin film is made from a higher index material with an index of n2 = 1.4. The angle of incidence between the laser and the prism is 0 = 30°. Which...
a) An oil slick on water is 108 nm thick and illuminated by white light incident...
a) An oil slick on water is 108 nm thick and illuminated by white light incident perpendicular to its surface. What color does the oil appear (what is the most constructively reflected wavelength, in nanometers), given its index of refraction is 1.41? (Assume the index of refraction of water is 1.33.) wavelength________ nm b)A ruby laser beam is reflected from the surface of a CD onto a wall. The brightest spot is the reflected beam at an angle equal to...
The wavelength of red helium–neon laser light in air is 632.8 nm. (a) What is its...
The wavelength of red helium–neon laser light in air is 632.8 nm. (a) What is its frequency? ____Hz (b) What is its wavelength in glass that has an index of refraction of 1.48? ____nm (c) What is its speed in the glass? ____Mm/s
2. A laser produces light with a wavelength of 510 nm in vacuum. It takes 2.85 ns for the light to pass through 45 cm of an unknown transparent material. a. What is the speed of light in the material? b. What is the index of refraction of the material? c. What is the wavelength of the light in the substance? d. How long would it take for this light to pass through 45 cm of water?
Light of wavelength 725 nm in vacuum is incident on a single slit whose width is 1.60 Times 10^-5 m. The setup is then immersed in water whose index of refraction is 1.33. What is the angle d that locates the third dark fringe with respect to the central bright fringe? Theta = Number units (degrees)
In a ruby laser, laser light of wavelength 694.3 nm is emitted. The ruby crystal is 7.80 cm long, and the index of refraction of ruby is 1.75. Think of the light in the ruby crystal as a standing wave along the length of the crystal. How many wavelengths fit in the crystal? (Standing waves in the crystal help to reduce the range of wavelengths in the beam.) wavelengths
In a laser experiment, a laser beam i of vacuum wavelength 1 has to propagate in air (nı = 1) through a prism which is anti-reflex (AR) coated to minimize reflections. The prism is made from a glass which has an index of refraction of n3 = 1.3). The thin film is made from a higher index material with an index of n2 = 1.4. The angle of incidence between the laser and the prism is 0 = 30°. Which...
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