Chapter 35: Problem 13
Two very narrow slits are spaced 1.80
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These are the key concepts you need to understand to accurately answer the question.
Chapter 35: Problem 13
Two very narrow slits are spaced 1.80
These are the key concepts you need to understand to accurately answer the question.
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Get started for freeSuppose you illuminate two thin slits by monochromatic coherent light in air
and find that they produce their first interference
After an eye examination, you put some eyedrops on your sensitive eyes. The cornea (the front part of the eye) has an index of refraction of 1.38, while the eyedrops have a refractive index of 1.45. After you put in the drops, your friends notice that your eyes look red, because red light of wavelength 600 nm has been reinforced in the reflected light. (a) What is the minimum thickness of the film of eyedrops on your cornea? (b) Will any other wavelengths of visible light be reinforced in the reflected light? Will any be cancelled? (c) Suppose you had contact lenses, so that the eyedrops went on them instead of on your corneas. If the refractive index of the lens material is 1.50 and the layer of eyedrops has the same thickness as in part (a), what wavelengths of visible light will be reinforced? What wavelengths will be cancelled?
The index of refraction of a glass rod is 1.48 at
In your research lab, a very thin, flat piece of glass with refractive index
1.40 and uniform thickness covers the opening of a chamber that holds a gas
sample. The refractive indexes of the gases on either side of the glass are
very close to unity. To determine the thickness of the glass, you shine
coherent light of wavelength
Coherent light that contains two wavelengths, 660 nm (red) and 470 nm (blue), passes through two narrow slits that are separated by 0.300 mm. Their interference pattern is observed on a screen 4.00 m from the slits. What is the distance on the screen between the first-order bright fringes for the two wavelengths?
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