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X-rays with wavelengths of 0.2597 nm are detected at a scattering angle of = 170° in a Compton-scattering experiment. Find
(a) the wavelength of an incident photon,
(b) the energy of an incident photon (in eV),
(c) the energy of a scattered photon (in eV), and
(d) the kinetic energy of the recoil electron (in eV). (For accuracy, use h = 6.626 x 10-34 J.s and c = 2.998 x 108 m/s.)
A lens forms an image of an object. The object is 16.0 cm from the lens. is it erect or inverted
If the initial temperature of the horseshoe is 600?C, and initial temperature of the water is 40?C, what is the equilibrium temperature of the system? Suppose no heat is exchanged with the surroundings.
two point charges q and 2q lie on the x-axis . which regions on the x-axis include a point where the electric field due to the two point charges is zero?
If you were to build a pipe organ with open-tube pipes spanning the range of human hearing (20 Hz to 20 kHz), what would be the range of the lengths of pipes required
An isolated conductor has a net charge of +7.90*10^- 6 C and a cavity with a particle of charge q = +2.30*10^-6 C, find the charge on the cavity wall and outer surface
An archer fires an arrow horizontally off of a ravine that is 65 meters wide, What is the magnitude of the velocity with which the arrow strikes the other side
A dampled harmonic oscillator is made from a 0.8kg mass on a k=14N/m spring with a damping constant of 400g/s, What is the energy of the oscillator after one oscillation
What is the density of Kripton gas at standard temperature and pressure? The atomic mass of Kripton is 83.80 atomic mass unit
Radio telescopes use radio waves (instead of light) to produce images. what is the best possible angular resolution that can be achieved
A sealed vertical cylinder of radius R and height h = 0.542 m is initially filled halfway with water, and the upper half is filled with air. By what distance is the depth of the water lowered
The dipole moment of a water molecule in liquid water is 6.2×10-30 C•m, and the effective diameter of the water molecule is 2.8×10-10 m. In an earlier homework problem the effective dipole charge separation for water was calculated as 1.9×10-11 m.
A golf ball is dropped from rest from a height of 9.70 m. It hits the pavement, then bounces back up, rising just 6.00 m before falling back down again. calculate the total amount of time that the ball is in the air
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