If you notice the interference patterns of a thin film of oil or gasoline on water, you’ll note that the colors form complete rings. How are these rings similar to the lines of equal elevation on a contour map?

Q: certain light which we can observe interference passes through two slits separated by distance of…

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Q: A thin film of oil with an index of refraction n = 1.5 and thickness t = 75 nm floats on water. The…

A: (a) Given: The index of refraction of the oil is 1.5. The thickness of the oil film is 75 nm.…

Q: When shined through a pair of slits which are 1.84 micrometers apart, an interference pattern is…

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Q: Two towers on top of two hills are 40 km apart. The line joining them passes 50 m above a hill…

A: Distance between the towers, d=40 kmHeight of line joing the hills, d=50 mThus,The radial spread of…

Q: Suppose a monochromatic light incident on a single slit produces a diffraction pattern. (a) How…

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Q: If i measure the wavelength of light from a single color source and i direct the light through two…

A: Given data:Distance between two slit, d=0.25 mm = 0.25×10-3 m Distance between slit and screen,…

Q: Fingerprints left on a piece of glass such as a windowpane can show colored spectra like that from a…

A: the fingerprints on a piece of glass acts like a diffraction grating because they are opaque to the…

Q: How do thin film interference patterns contribute to the colorful appearance of soap bubbles or oil…

A: The colorful appearance of soap bubbles, oil on water, or other thin films is a result of a…

Q: Radio waves from a star, of wavelength 320 m, reach a radio telescope by two separate paths, as…

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Q: Calculate the thickness of a soap film so that a 600 nm light incident to the film would produce…

A: Given data The wavelength of the light is given as λ=600 nm. The refractive index is given as n =…

Q: f 710- nm  and 640- nm  light passes through two slits 0.64  mm  apart, how far apart are the…

A: Given λ1=710 nmλ2=640 nmNumber of slit, n=2Distance between slits, d=0.64 mmD=1.3 m

Q: When light with wavelength 620 x 10-9 m is diffracted through a single slit, the angle of the second…

A: Given , wavelength = 620*10^(-9) meter Angle from the horizontal direction = 21 degree For second…

Q: Reddish light of wavelength 6.0 X 10-7 m passes through two parallel slits.Nodal lines are produced…

A: Given  Wavelength = 6.0*10-7 m  Screen distance,D = 3.0 m  Distance between first and tenth nodel…

Q: Two thin slits separated by 0.14 mm are illuminated by a monochromatic plane wave, producing…

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Q: The information of brilliant colors in a thin soap film is a consequence of the phenomena of A)…

A: The information of brilliant colors in a thin soap film is a consequence of the phenomena of…

Q: As a soap bubble with n = 1.333 evaporates and thins, reflected colors gradually disappear. What is…

A: The colors on the soap bubble are created due to the interference of light. When two light waves…

Q: When light with wavelength 620 x 10-9 m is diffracted through a single slit, the angle of the fourth…

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Q: Two towers on top of two hills are 40 km apart. The line joining them passes 50 m above a hill…

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Q: When light is diffracted through a single slit of width 7.3 x 10-6 m, the angle of the third dark…

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Q: If a thin film is too thick the waves will _________.     only show constructive interference.…

A: This is a question of thin film interference in which if light is allowed to strike a thin film…

Q: After heavy rain, an engine oil was accidentally dropped on a wet concrete road. People observed…

A: Given data: The wavelength of red light is λvacuum=650 nm. The refractive index of air is…

Q: Suppose a double-slit experiment is carried out first in water, then in air, with all the factors…

A: Let the wavelength of light used in air = λLet the slit separation = d Let the distance of the…

Q: Why are interference colors more apparent for thin films than for thick films?

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Q: Two yellow flowers are separated by 60 cm along a line perpendicular to your line of sight to the…

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Q: The wings of tiger beetles are colored by interference due to thin cuticle-like layers. In addition,…

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Q: The wings of some beetles have closely spaced parallel lines of melanin, causing the wing to act as…

A: Relationship between wavelength, diffraction angle and grating spacing can be express by the…

Q: 5. Assume the indices of refraction for air, water, and glass are 1.00, 1.33, and 1.50,…

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Q: Calculate the smallest thickness of a soap film (n = 1.33) on glass (n = 1.52) capable of producing…

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Q: When a thin oil film spreads out on a puddle of water, the thinnest part of the film looks dark in…

A: Given When a thin oil film spreads out on a puddle of water, the thinnest part of the film looks…

Q: Wael and Arthur observe a puddle of water on the street after a rare rain. They realize there is a…

A: this is question of refraction of light.

Q: Sometimes you can see the 'rainbow' in a thin layer of oil on the ground. Explain why this happens.…

A: The rainbow pattern is due to the interference due reflection of light from the two ends of the…

Q: green (550 nm) light is shone through a double slit the angle of the fir is 1.9 degrees. Calculate…

A: Angular position of dark fringe = (2n-1) λ/2d

Q: Red light of 600nm wavelength is used to produce double-slits are separated by 1.6mm, and if they…

A: We have a red light of wavelength λ=600 nm=600*10-9m going through a double slit producing fringes…

Q: An oil slick 122 nm thick (n = 1.40), lying on water is illuminated by qhite light incident…

A: thickness of oil slick (t) = 122 nm refractive index of oil slick (n) = 1.40

Q: A single slit forms a diffraction pattern, with the first minimum at an angle of 33° from central…

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