21) Calculate the refractive index of a thin film of a thickness of 90 nm. The wavelength of the maximum reflected light is found to be 480 nm.
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Q: Question 12 of 15 An eagle is watching ants crawl along the ground in light of wavelength 550 nm as…
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Q: 1) A thin film of water (n 1.33)floats on the surface of an oil with refractive index 1.65. White…
A: Givenn=1.33n'=1.65Angle of reflection,θ=48°λ=610 nm=610×10-9 m
Q: A film of transparent material 120 nm thick and having regractive index 1.25 is placed on a glass…
A: Thickness of material (t) = 120nm Refractive index of film = 1.25 Refractive index of glass = 1.50
Q: 4. In a diffraction pattern produced by a diffraction grating, red light (A= 700 nm) in the second…
A: Slit spacing is given as d=mλsinθ ......(1)
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A: Given: The transmittance of the film is 0.928.
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Q: at R+T=1i
A: To show that the energy flow equation, ×\vec n = - × \vec n +×\vec n \)"…
Q: 4.) In the double-slit experiment, what happens to the interference pattern when you change the…
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Q: 21.)In the diffraction (single-slit) experiment, what happens to the intensity of the diffraction…
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Q: 2) In an interference experiment, the ratio of the intensities of the bright and dark fringes is 16.…
A: Given: Ratio of bright and dark fringe is 16:1 To find: Ratio of the amplitude due to two slits.
Q: 6) A soap bubble, when illuminated with light of frequency 7.14 × 10^14 Hz, appears to be especially…
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Q: 7. A MGF2 coating (refractive index of 1.38) on a glass lens is designed to suppress reflection at a…
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Q: 14) Calculate the maximum reflected wavelength by a thin film of refractive index 1.55 and thickness…
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Q: 8) Light is incident normally on a grating with 10,000 lines/cm.Find the maximum order in which…
A: A diffraction grating is used to separate the colors in incident light. It works on the principle of…
Q: 12) Calculate the maximum reflected wavelength by a thin film of refractive index 1.4 and thickness…
A: In a thin film, light waves are reflected from the background and the film is capable of interfering…
Q: 12) In a soap film with a refractive index of 1.333, a 620 nm light undergoes constructive…
A: Given The refractive index of the film is n=1.333 the wavelength of the light is λ=620nm=620×10-9m…
Q: 13) In a soap film with a refractive index of 1.333, a 450 nm light undergoes constructive…
A: Interference takes place when two waves meet at a point. The final intensity might increase or…
Q: An eagle is watching ants crawl along the ground in light of wavelength 550 nm as it flies over…
A: The limit of resolution is given by the Rayleigh criterion, ϕ = 1.22λD where, λ is wavelength = 550…
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Q: In a diffraction pattern produced by a diffraction grating, red light (λ = 700 nm) in the second…
A: Wavelength (λ) = 700 nm Angle of deviation for second order spectrum = 20o
Q: An eagle is watching ants crawl along the ground in light of wavelength 550 nm as it flies over…
A: Given:wavelength of light, λ = 550 nmdiameter of the lens, D = 7.00 mm = 7.00×10-3 mdistance between…
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: 1. Two coherent radio point sources separated by 2.0m are radiating in phase with a wavelength…
A: ∗Too get a maxima on screen path difference should n λ. When n=0,±1,±2, ‐‐‐‐ Means path…
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A: In the given question, Wavelength of light (λ) = 933nm = 933×10-9m Distance of screen from slith (D)…
Q: #2: A film of transparent material 120 nm thick and having refractive index 1.25 is placed on a…
A: Thickness of material (t) = 120nm Refractive index of film = 1.25 Refractive index of glass = 1.50
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Q: Red light having a wavelength of 690 nm (in air) is vertically incident on a thin film of oil that…
A: Given : Wavelength of light, λ = 690 nm Refractive index of the oil film, μ=1.19…
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Q: 2.) Coherent light that contains two wavelengths, 660 nm (red) and 470 nm (blue), passes through two…
A: Given: The wavelength of red and blue right are 660 nm and 470 nm. Distance between two slit is 0.3…
Q: .)In the double-slit experiment, what happens to the interference pattern when you decrease the slit…
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Q: The wavelength 5400 A°. Its wavelength in the glass of refractive index 1.5 is
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Q: A 26m wavelength of a radio wave is produced by two sources simultaneously. The interference of…
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Q: i) An optical fibre core and cladding refractive indices are 1.45 and 1.44 respectively. Compute its…
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Q: Why can’t we see wavelengths of 350 nm or 750 nm?
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