Calculate the power density (Pa) produced at a point (P) of 10Km distant from 80m long-wire antenna supplied with 10A current if the incident angle is 10º. f=10kH6
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Q: Discuss the physical origins of the gross selection rules for microwave and infrared spectroscopy
A: For microwave spectroscopy, the origin of the gross selection rule is transition dipole moment.
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Q: Calculate the frequency and wavelength of a 140-keV ray.
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Q: What is an advantage of using a diode array for UV-Vis Spectroscopy?
A: What is an advantage of using a diode array for UV-Vis Spectroscopy.
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Q: What is the freaquency of a 270nm UV photon?
A: Given data: An UV photon Wavelength (λ) = 270 nm = 270×10-9 m Required: The frequency (f)
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Q: typical laser power density threshold that causes flash blindness is 100 μW/cm2 and prolong exposure…
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Q: Compute the wavelength of an X-ray with a frequency of 2.0 1018 Hz.
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Q: Show that if the radiation pressure (Prad = 1/3 aT4) equals the kinetic pressure, then the total…
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Q: wavelength
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Q: Compute the wavelength of an X-ray with a frequency of 8.0 1018
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Q: Compute the wavelength of an X-ray with a frequency of 4.0 1018 Hz.
A: The expression for find wavelength of an X-ray is λ=vf
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A: Orientations is the main cause and if we are using an crystals and anisotropic material can orient…
Q: Compute the wavelength of an X-ray with a frequency of 7.0 1018 Hz
A: scince we kno v=fλ where v = velocity of light λ= 3×108/7.0×1018 = 0.43 x 1010 m = 4.3 x109…
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Q: Calculate the following for an eloctromagnetic wave with a wave length of /\=2.73 x 10^-4m: a)…
A: Given: Calculate the following for an electromagnetic wave with a wave length of /\=2.73 x 10^-4m:…
Q: A fire, burning over an area of 20 km x10 km, is observed by a microwave radiometer operating over…
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- Question 2 Converts dissipated energy to signal (heat) is an advantage of using a Fourier-Transform IR spectrometer. True FalseCompute the wavelength of an X-ray with a frequency of 4.0 1018 Hz.The constant stream of high speed electrons emerging from an "electron gun" were accelerated from rest by the applied voltage across parallel plates as shown in the diagram. (a) If the beam current is 0.24 A, how many electrons emerge from the aperture of the gun each second? AN electrons/second At (b) How fast are the electrons moving if the beam contains 1.5 x 10¹2 electrons/m? V = m/s applied. voltage aperture 2007
- describe in sufficient detail how the photodiode array monitors the absorbance (A) of a spectrum of wavelengths simultaneously.If an alpha particle has 50 fm as its distance of closest approach when incident on a gold foil, what will be its kinetic energy?Compute the wavelength of an X-ray with a frequency of 3.0 1018 Hz.
- After you calibrate the SpectroVis Plus spectrometer, you must a. run a full spectrum by selecting Sensors/Calibrate/Full Spectrum. O b. change the mode by selecting Sensors/Time-Based. Oc. collect a full spectrum of the sample to determine the wavelength of maximum absorbance. O d. change the mode by selecting Sensors/Data Collection.How many photons per second are emitted by the antenna of a microwave oven, if its power output is 1.25 kW at a frequency of 2510 MHz? _______ photons/sSketch a plot of the current / versus voltage V across an ideal photocell when visible light is incident on the cell. Note that the "amplitude" factor lo should be assumed to be negative.