What number concentration of a fog comprised of 0.4um water droplets would be expected to result in a 50% extinction of a light beam with 520 nm wavelength over a distance of 10km

Q: When X-rays of wavelength lambada = 0.20nm are re-flected off the face of a crystal, a Bragg maximum…

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Q: If the thickness needed by a certain medium to reduce the intensity of incident x-rays by 40% is 150…

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Q: A grating in a spectrometer has 1200 lines per mm and a width of 5mm. (a) Find the first order…

A: Grating has 1200 lines per mmGrating width = 5mmWavelength of light = 600nm

Q: A material has an absorption coefficient of a-0.39 mm1 at a particu lar wavelength, for which an…

A: Given:

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…

Q: When a diffraction pattern of a crystalline solid is recorded using an X-ray beam of wavelength 0.26…

A: Given: The wavelength of the x-ray beam is 0.26 nm The diffraction peak occurs at a scattering angle…

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

A: please see the next step for solution

Q: Given once SpaceX's StarLink can provide global internet by sending light between satellites in…

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Q: 1. The electric field of a light wave propagating in a medium of re fractiv e index сan be expressed…

A: To find Propagation we use,                                                  λ=2πk Velocity of the…

Q: 1. A radar has a pulse length of T = 10 us, an azimuth beamwidth 03 = 3°, and an elevation beamwidth…

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Q: Beam of X- rays of A = 0.842A° is incident on a crystal at a grazing angle of 8.35 when the first…

A: Given: For 1st Bragg's reflection, X-ray beam wavelength, λ=0.842 A° Grazing angle, θ=8.35°

Q: A crystalline specimen is irradiated with X-rays of wavelength A. Bragg reflexion is observed at…

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Q: (a) Calculate the V-number for the fiber. Is this a single mode fiber? (b) Calculate the wavelength…

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Q: A laser with 589 nm wavelength and a beam diameter of 2 mm is fed through a beam-expander, then…

A: The wavelength of light λ=589nm=5.89×10-7m beam diameter =2mm=0.002m for diameter of d=30cm=0.3m…

Q: Estimate the distance to the observed object which must be considerably exceeded, if Fraunhofer…

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Q: A telescope can be used to enlarge the diameter of a laser beam and limit diffraction spreading. The…

A: Given: The diameter of beam is d=2.54 m. The wavelength of beam is λ=633 nm. The lunar distance is…

Q: A beam of light with wavelength of 1.00 µm and M2 = 20 is incident on an aperture of 1.5 mm…

A: Given, a. Wavelength, λ=1×10-6m Diameter, d=1.5×10-3m The divergence angle of the beam is(full…

Q: One important goal of astronomers is to have a telescope inspace that can resolve planets like the…

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: 4. (a) A fiber has modal dispersion of 10ns/km. If an instantaneous light pulse travelled 20 km in…

A: Given:Modal dispersion = 10 ns/kmSolution:a. For 20 km dispersion will be zero    Here the light…

Q: The absorption cross section for fluorescein, a dye that is used as a fluorescent probe for…

A: Given that:The Beer Lambert law isI = Io exp-NVσI         -(1)i) I is intensity of transmitted…

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

A:

Q: A laser with 589 nm wavelength and a beam diameter of 2 mm is fed through a beam-expander, then…

A: The wavelength of light λ=589nm=5.89×10-7m beam diameter =2mm=0.002m for diameter of d=30cm=0.3m…

Q: In a large vacuum chamber, monochromatic laser light passes through a narrow slit in a thin aluminum…

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Q: (a) Show that if the crystal undergoes volume expansion, then the reflected beam is rotated by…

A: (a) From Bragg's law  2Lsinθ=nλ where θ is the Bragg's angle.  When n=1,  2Lsinθ=λLsinθ=λ2…

Q: 13.2-2 Photon Flux. Demonstrate that the power of a monochromatic optical beam that carries an…

A: Solution:

Q: A fiber has a core made from 86.5%SiO2-13.5%GeO, with a diameter of 8 µm and a refractive index of…

A: Note : According to our guidelines , we are only allowed to answer 3 subparts per question . If you…

Q: X-ray beams are reflected from a crystal by Bragg reflection. If the density of the crystal…

A: Given that the density of crystal with rms error for 3 parts=104Incident and reflected ray=6°Rms…

Q: In ATR-FITR, an IR beam is directed onto an optically dense crystal with a high refractive index at…

A: Ques: In ATR-FITR, an IR beam is directed onto an optically dense crystal with a high refractive…

Q: Copper Kα1X-rays have a wavelength of 0.15406 nm. What is the interplanar spacing d, for the (200)…

A: Wavelength of Kα1X-rays λ = 0.15406 nm Bragg angle θ = 32.52° Order of diffraction n = 1 Interplanar…

Q: TWo narrow SIIts sepevated by U.42 mm are Ill minated by mono- ChromatC l1ght ot wavelength o2…

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Q: If 680-nm light falls on a slit 0.0425 mm wide, what isthe angular width of the central diffraction…

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