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Question: Thomson says that the photographic plate that took the image shown in Fig. was 32.5cm from the gold foil. Use that number and the fact that the diameter of the (200) diffraction ring was 2.5cm for 24.6keV electrons to find the lattice constant of the gold foil. How does your result compare with the value given in Table? Warning: Remember that the angle of the diffraction ring relative to the incident beam is twice the diffraction angle θ.
Fig. - The diffraction pattern from electrons on a polycrystalline gold foil observedby G.P. Thomson
You are to make four straight-line moves over a flat desert floor,starting at the origin of an xy coordinate system andending at the xy coordinates (-135 m, 40 m). The xcomponent and y component of your moves are the following,respectively, in met..
A solid piece of lead has a mass of 36.68 g and a volume of 3.23 cm3. calculate the density of lead in SI units
Look at limiting value of m2 to see if answer makes sense. Find a relation between the variables that would guarantee that the block is initially slowing down.
Space vehicles traveling through Earth's radiation belts can intercept a significant number of electrons. The resulting charge buildup can damage electronic components and disrupt operations. Suppose a spherical metallic satellite 1.3 m in diamete..
A barber's chair with a person in it weighs 2100N. The output plunger of a hydraulic system begins to lift the chair when the barber's foot applies a force of 55N to the input piston.
A balsa-wood raft has the following dimensions: L=2.34m , W= 1.35m , H= 0.65m. if the mass of an average person is 72.5kg, how many people can the raft safely support
A trumpet player plays a note with a frequency of 233Hz. The player next to him plays a note with a frequency of 236Hz. What are the wave lengths of the two sounds?
How does temperature affect the movement of water molecules?
Calculate the pressure on the top lid of a chest buried under 3.65 meters of mud with density 1.75 103 kg/m3 at the bottom of a 11.5-m-deep lake
an 8.70 kg block slides with an initial speed of 1.66 m/s up aramp inclined at an angle of 27.4 degree with the horizontal. find the distane the block slides before coming to rest
A hydrogen atom in a state having a binding energy (the energy required to remove an electron) of 0.544 eV makes a transition to a state, What is the energy of the photon emitted as a result of the transition
Nichrome wire of cross-sectional radius 0.791 mm is to be used inwinding a heating coil. estimate the length of wire you must use to wind the coil
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