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!! Thin-Film Interference Solutions Library

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12 solutions

!! Thin-Film Interference

Q. A soap bubble is essentially a thin film of water surrounded by air. The colors you see in soap bubbles are produced by interference. (a) What visi...

Solved • May 11, 2020

!! Thin-Film Interference

Q. A very thin oil film (n=1.25) floats on water (n=1.33).What is the thinnest film that produces a strong reflection for green light with a wavelengt...

Solved • May 1, 2020

!! Thin-Film Interference

Q. A 12 cm radius sphere of glass (n = 1.33) is cut in half and placed convex-side down on a table. A light of wavelength 500 nm is shown on the flat ...

Solved • Mar 20, 2017

!! Thin-Film Interference

Q. An oil film (n=1.45) is floating on water (n=1.33) as shown. The oil film is 280 nm thick. What color in the visible spectrum and the wavelength is...

Solved • Mar 13, 2017

!! Thin-Film Interference

Q. A thin film with thickness t is placed on the surface of a flat piece of glass. The film has n = 1.20 and the glass has n = 1.50. For air with wave...

Solved • Feb 22, 2017

!! Thin-Film Interference

Q. A thin film with thickness t coats a flat piece of glass. There is air above the film. The film has n = 1.2 and the glass has n = 1.5. Light of wav...

Solved • Feb 16, 2017

!! Thin-Film Interference

Q. An oil film that is 400 nm thick is on top of water. The oil has n = 1.2 and the water has n = 1.33. White light in air is incident normal to the s...

Solved • Feb 16, 2017

!! Thin-Film Interference

Q. A glass plate that has refractive index n = 1.50 and that is 6.00 x 10 -7 m thick is surrounded by air. The plate is illuminated by a beam of white...

Solved • Feb 10, 2017

!! Thin-Film Interference

Q. Two antennas A and B radiate electromagnetic waves that are in phase and have frequency f. Antenna A is 8.00 m to the left of antenna  B and point ...

Solved • Feb 3, 2017

!! Thin-Film Interference

Q. Light traveling in air is incident perpendicular to the surface of a thin film of plastic that is on the surface of a sheet of glass. The plastic f...

Solved • Feb 2, 2017

!! Thin-Film Interference

Q. A layer of benzene that has thickness t is floating on water. Benzene has refractive index 1.50 and the refractive index of water is 1.33. Coherent...

Solved • Feb 2, 2017

!! Thin-Film Interference

Q. A layer of benzene (n = 1.50) that is 300 nm thick is floating on water (n = 1.33). There is air above the benzene. For normal incidence to the sur...

Solved • Jan 24, 2017