A proposed “star wars" antimissile laser is to focus infrared light with 2.8-µm wavelength to a 50-cm-diameter spot on a missile 2500 km distant. Find the minimum diameter for a concave mirror that can achieve this spot size, given the diffraction limit. Your answer suggests one of many technical difficulties faced by antimissile defense systems)

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A: Given: A CO2 laser. Wavelength of the laser beam, λ = 10.6 μm = 10.6×10-6 m Length of spherical…

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Q: Diffraction spreading for a flashlight is insignificant compared with other limitations in its…

A: Minimum Angular Spreading                                 = 1.1568 × 10-5 rad

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Q: 10 mW of light is incident on a piece of GaAs which is 0.2mm thick. The incident light is a mixture…

A: given,power =10mWthickness x=0.2mmpower exits out of GaAs=7mWtotal power absorbed by the gas…

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Q: Assume you have an optical beam of λ=630 nm characterized by the complex q-parameter, q = 3+j5 cm.…

A: Given,Complex q parameter of the beam,q = 3+j5 ⇒Z0+jZR, where ZR is the Rayleigh rangeSo,…

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A: The separation of the crystal planes may be determined using Bragg's law:nλ = 2d sinθwhere n is the…

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A: Given The length travelled by the star is L=1.5×1011 m=1.5×1011 m×1 ly9.46×1015 m=1.5856×10-5 ly.…

Q: A He-Ne gas laser which produces monochromatic light of a known wavelength = 6.35x10^-7m is used to…

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Q: Millimeter-wave radar generates a narrower beam than conventional microwave radar, making it less…

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Q: Problem 5: Consider a 525 nm light falling on a single slit of width 1.3 µm. Randomized Variables λ…

A: Given Data:- Wavelength of the light is λ=525 nm  =525nm×10-9 m1 nm  =5.25×10-7 m Width of the…

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A: Given, The density of diamond is ρ=3.51gcm3 The wavelength of the X-ray beam is λ=7.12pm

Q: Problem 3 A 1mm filament produces a 1mm x 1mm electron beam incident on an anode disk with anode…

A: Source size - 1 mm = 0.001 m Anode angle Width of detector = 40 cm = 0.4 m.Detector to focal spot…

Q: A He-Ne gas laser which produces monochromatic light of a known wavelength ? =6.35 ? 10^−7 ? is used…

A: Given data: Wavelength, λ=6.35×10-7m For first order diffraction, m=1 Angle, θ=220

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Q: An astronaut on the International Space Station (ISS) is experimenting with a solid-state green…

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Q: Diffraction spreading for a flashlight is insignificant compared with other limitations in its…

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A: To find- We have to find the value a=? Given- λ=4300 A.U.λ=4.3×10-7 mθ=30 deg

Q: Potassium chloride (KCI) has a set of crystal planes separated by a distance of d= 0.34 nm. At what…

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Q: Light of wavelength 500 nm, near the center of the visible spectrum, enters a human eye. Although…

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Q: Light of wavelength 5880 Á is incident on a thin film of glass of u = 1.5 such the %3D the angle of…

A: To Find: The smalles thickness of the plate (t) Given Data: λ=5880×10-8 cmμ=1.5r=60°

Q: In a interference experiment when minimum intensity is obtained, the phase difference between the…

A: To find-Phase difference betwen superimposing waves.Given data-The intensity of a point is minimum.…

Q: A He-Ne gas laser which produces monochromatic light of a known wavelength 6.35x10^-7 m is used to…

A: Given: The wavelength of light is λ=6.35×10-7 m. The order of diffraction is m=1. The angle of…

Q: In light microscopy, what effect does an Airy disk have on resolution?

A: The resolving power or resolution of a microscope is a measure of its ability to distinguish between…

Q: He-Ne gas laser which produces monochromatic light of a known wavelength λ= 6.35 x 10^-7 m is used…

A: Given Data: The wavelength of monochromatic light, λ=6.35×10-7 m The first-order diffraction occurs…