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- In Compton scattering, if the initial energy of the photon is hf, the energy of the scattered photon is hf'. If a y ray is emitted with an energy of 834 keV, what is the back scattered peak energy? What is the Compton edge energy? The rest-mass energy of an electron, moc“, is 511 kev.Suppose a photon has an energy of 4 electron volts (eV). What is the energy (in eV) of a second photon with a frequency that is 70% that of the first one ? {This means the frequency is less . For example, 10 % the original frequency equals 10/100 times the initial frequency, or (10/100) times the initial frequency ]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 2560 MHz?
- How many photons per second are emitted by the antenna of a microwave oven if its power output is 1 kW at a frequency of 2560 MHz? photons/sFor a body emitting blackbody radiation, the total power emitted is proportional to the 4th power of the body’s absolute temperature:(T in kelvins)and the wavelength of the emitted EM radiation that has the highest intensity is inversely proportional to the body’s absolute temperature according to:( in meters, T in kelvins)Assume an object is emitting blackbody radiation. A body in a room at 300 K is heated to 3,000 K. The wavelength of the most intense EM radiation emitted by the body at 3,000 K is the wavelength of the most intense EM radiation at 300 K.For light with a wavelength of 350 nm and with an intensity of /= 10-8 W/m², what is the number of photons/(m²s) in the light beam?
- A material has a mass attenuation coefficient of 0.35 cm²/g (for a given photon energy) and has a density of 1 g/cm³. What is the thickness of the Half-Value Layer (HVL) of this material? (Note: the Half-Value Layer is the material thickness required to reduce an incident beam intensity by a factor of two).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.