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Question: Using the data in Table and the fact that Ulrey's spectrometer used a calcite crystal:
a. Calculate the wavelengths corresponding to angles of reflection, and then plot the intensity of the x-radiation vs. λ
b. What is the energy of the photon that corresponds to the wavelength at which the intensity is a maximum?
c. By extrapolation of your graph determine the short-wavelength cutoff.
d. What is the voltage difference through which these electrons passed before they struck the tungsten anode of the x-ray tube?
Liquid helium is stored at its boiling-point temperature of 4.2 Kin a spherical container (r=0.30 meter). Find what mass of liquid helium boils away through a venting valve in 1 hour
Three balls with masses of 6 g at (1,9), 1 g at (7,6), and 7 g at (5,1), respectively, are connected by massless rods. What is the acceleration of the center of mass
A book of mass 5.2 kg is resting on a flat level table. You push down on the book at an angle of 25.0 degrees from the horizontal with force of magnitude 236 N. The book starts to slip and is sliding across the table. What is the magnitude of the ..
What is the integral from s to p of B dot dL, where an integral is taken along the dotted path shown, first from point P to point R at (x,y) = (0.707d, 0.707d), and then to point S at (x,y) = (0.6d, 0.6d).
Billiard ball A of mass = 0.130 moving with speed = 2.80 strikes ball B, initially at rest, of mass = 0.150. Consequently of the collision, ball A is deflected off at an angle of 28.0 with the speed = 2.00.
A tiny insect is trapped 1.0 mm from the center of a spherical, As you look straight into the drop, what is the insect's apparent distance from the drop's surface
Two identical diverging lenses are separated by 23 cm. The focal length of each lens is -14 cm. find the final image distance relative to the lens on the right
A pyramid has a height of 530 ft and its base covers an area of 15.0 acres. The volume of a pyramid is given by the expression V = 1 3 Bh, Find the volume of this pyramid in cubic meters
A 3/4-in. thick steel bar, to be used as a beam, is welded to a vertical support by two 2-in. fillet welds with a kg length of 5116-in. on the top and bottom edge as illustrated. Determine The critical stress location in the welds
A student constructs an astronomical telescope with a magnification of 10. what is the resulting length of the telescope
You are trying to simulate dynamically the cooling system of a proposed sodium-cooled nuclear reactor by constructing a 1:4 model of the cooling system.
We can detect a visual binary system with an earth- orbit baseline parallax or 0.25''. The systems orbital period is 779.9 days and we see the combined.
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