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Monochromatic x rays are incident on a crystal for which the spacing of the atomic planes is 0.442 . The first-order maximum in the Bragg reflection occurs when the incident and reflected x rays make an angle of 39.6 with the crystal planes.
Part A: What is the wavelength of the x rays?
A freezer of resistance 14.5ohms is connected to a 110V source. What is the power delivered when this freezer is on
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To focus a camera on objects at different distances, the converging lens is moved toward or away from the film, Over what distance must the lens be movable
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