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Question: Monochromatic x-rays of wavelength λ = 0.243nm are produced in the following way: Electrons bombard a metal target in a standard x-ray tube, and the resulting radiation is reflected from a crystalline material, as shown in Fig.
a. What is the purpose of the crystal?
b. What is the minimum accelerating voltage Vacc that could have produced x-rays of this λ?
c. The reflected x-rays go on to collide with a carbon block C, where their wavelength is shifted to λ' by the Compton effect. For the direction shown in the drawing, calculate the change in wavelength.
d. Does the x-ray gain or lose energy in this process? Where does the energy go? What is the most striking assumption made by Compton in his analysis of this phenomenon?
Fig. - Compton scattering arrangement
A commercial airliner is undergoing its initial ascent while the pilot maintains a cabin environment of T = 23 C, r = 0.35, and p = 880 hPa. At the 670 hPa level an exit door ruptures and cabin pressure rapidly decompresses. Will clouds form in the c..
A slit of width 2.0 ?m is used in a single slit experiment with light of wavelength 650 nm. If the intensity at the central maximum is Io, what is the intensity 10° from the center?
A 0.95-m aluminium bar is held with its length parallel to the east-west direction and dropped from a bridge. Now before the bar hits the river below, its speed is 25 m/s, and the emf induced across its length is 7.5 x 10-4 V.
a steel rod is used to transfer heat from a chamber at 300 k to a chamber at 250 k. which of the following changes in
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A battery with an emf of 12.0 V shows a terminal voltage of 11.4V when operating in a circuit with two lightbulbs, What is the battery's internal resistance
First, write the rate law for the disappearance of CH4 in this oxidation.Then use this to obtain a differential equation for the rate of appearance of OH. Don't worry about solving the equation or isolating all the dependence on [OH].
The temperature of a sample of dilute argon gas withn = 7.3 moles decreases by196. If 35,900 Jof heat are extracted from the gas, what is the work done by thegas on its surroundings
A jogger runs 100m due east, then changes direction for the second leg of the run. At the end of the run, she is 350m away from the starting point at an angle of 25.0° north of east. What were the direction and length of her second displacement? Util..
a liquid is used to make a mercury-type barometer as described in section pressure in a fluid. the barometer is
A string 1.5 meter long with a mass of 2.5 gram is stretched between two fixed points with a tension of 99 Newton. Obtain the frequency of the fundamental on this string
A typical home may require a total of 2.00*10^3kWh of energy per month. Suppose you would like to obtain this energy from sunlight, which has an average daylight intensity of 1200W/m^2.
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