Why does the wavelength response of the human eye match the visual window of Earth's atmosphere so well?
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A: Using a mathematical formula, describe Bragg's Law for x-ray diffraction in a single statement.
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A: We can apply Wien's law.
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A: It is given that,
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- The ratio of velocities of visible light of wavelength 5000 A and infrared ray of wavelength 8500 A in free space is, (a) Greater than 1 (b) Less than 1 (c) Equal to 1 (d) InfiniteThe figure below depicts spectral reflectance measurements for three different materials: a green leaf from a healthy plant, a sheet of shiny blue paper, and the palm of a human hand. The measurements are labeled 1 (black line), 2 (red line), and 3 (blue line). Match the measurements to the most appropriate material type10² 106 Increasing frequency, f (Hz): 104 106 1 Radio waves (low f, longa) AM 104 10² Decreasing wavelength,λ (m) 108 FM TV 1 1010 Microwave Radar 10-2 10¹2 700 nm 10-4 1014 Infrared 10-6 600 nm 1016 Ultra- violet 10-8 Visible light 1018 X rays 10-10 500 nm 1020 1022 Gamma (y) waves (high f, short 2) 10-12 10-14 400 nm 1024
- Calculate the range of wavelengths (in m) for ultraviolet given its frequency range is 760 to 30,000 THz. smaller value _____ m larger value _____ m b) what is the FM frequency range of 88.0 to 108 MHz. smaller value _____ m larger value _____ mWhat is the energy of an ultraviolet photon with wavelength 100 nm?Give two similarities between infrared and UV radiation
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- 10² 106 Increasing frequency, f (Hz): 104 106 1 Radio waves (low f, longa) AM 104 10² Decreasing wavelength,λ (m) 108 FM TV 1 1010 Microwave Radar 10-2 10¹2 700 nm 10-4 1014 Infrared 10-6 600 nm 1016 Ultra- violet 10-8 Visible light 1018 X rays 10-10 500 nm 1020 1022 Gamma (y) waves (high f, short 2) 10-12 10-14 400 nm 1024-5 2. The maximum value of the magnetic field in a light wave is 2.9 x 10 T. Calculate the ms value of the electric field in this wave. (Give your answer in N/C) F2 F3 F4 FB #3 %24 3 5 8. E R Y 6How do I find the average wavelength?