Physics, 06.08.2019 02:20 sanafarghal
Consider a beam of mono-energetic electrons incident on apowder of crystal fragments, each with theatoms arranged in a cubic array with d being the distance between nearestneighbors.
(a)if the transmitted electrons form a diffraction pattern, describe what will be observed.
(b) what is the lowest energy electrons can have, in order to produce any diffraction pattern.(c) what happens if the electron energy is lower than what you have found in part (b).
Answers: 2
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How would doubling the made of an object change the objects potential energy
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Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?
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Physics, 22.06.2019 12:00
You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 2.70 miss . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?
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Physics, 23.06.2019 00:50
which statements describe the image? check all that apply.the wood is releasing argon gas.this information is useful for dating ancient rock.the process works only with organic matter.the element has a half-life of 5,730 years.this shows the half-life of carbon-19.
Answers: 1
Consider a beam of mono-energetic electrons incident on apowder of crystal fragments, each with thea...
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