Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of 0.250 mW. A. If such a laser beam is projected onto a circular spot 3.40 mm in diameter, what is its intensity (in watts per meter squared)? B. Find the peak magnetic field strength (in teslas). C. Find the peak electric field strength (in volts per meter

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Q: Q4: If you wish to detect details of the size of atoms (about 0.2 nm) with electromagnetic…

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Q: Problem 5:   Electromagnetic radiation from a 5.05-mW laser is concentrated on a 1.05-mm2 area.…

A: Given, Electromagnetic radiation from, Power, P = 5.05 mW Area, A = 1.05 mm2

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Q: a. Determine the frequency of electromagnetic radiation which would have a wavelength of 1.0 mile…

A: Given:  wavelength = 1 mile = 1.6 k  = 1.6 x 1000 m = 1600 m  speed of wave, c = 3 x 108 m/s

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A: Given, Power of electromagnetic radiation laser, P = 4.95 mW Surface area, A = 0.95 mm2

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A: Intensity of radiation varies inveraly as square of distance form source.

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A: 1) Power = 4.9 mW Area = 0.75 mm2

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Q: The wavelength of electromagnetic wave is 400nm. What is its frequency?

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Q: A helium-neon laser emits a 1.5-mm-diameter laser beam with a power of 1.2 mW What is the amplitude…

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A: The intensity of the wave is given by I=P4πr2

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Q: He-Ne (Helium-Neon) lasers are often used in physics demonstrations. Mine is labelled as about 5 mW…

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