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One of the lasing transitions of an argon ion laser is at 488 nm and the transition probability Aul =7.8 x 107/s. The discharge gas temperature is 1200 oC. Calculate the natural broadening and the Doppler broadening of this transition and compare them. Assuming the total intensity is equal to some arbitrary number equal to 1000, plot the intensity versus frequency (or energy) for the natural line shape and the Doppler broadened line. What is the precision you need to observe the natural line shape and the Doppler line shape of the transition? Please submit computer plots as well.
Suppose we have an electron that is initially at rest in a uniform electric field with a magnitude of 7320 V/m. How fast is the electron moving at the position where it has moved the 14.0 cm above
An electron travels north at a speed of 6.0x10^4 m/s through a uniform magnetic field that is directed upwards and whose magnitude is 1.8x10^-3 T. determine the direction of the magnetic force
A 0.33kg block is located 0.2 m from the center of a turntable. The coefficient of static friction between block and surface of the turntable is 0.44.
An elevator cable breaks when a 975 kg elevator is 24.5 m above the top of a huge spring (k = 8.00 x 10^4 N/m) at the bottom of the shaft. Calculate the speed of the elevator just before striking the spring
A modern sculpture has a large horizontal spring, with a spring constant of 276 N/m, that is attached to a 51.0-kg piece of uniform metal at its end, By how much has the spring stretched
A 20-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 35 N. Starting from rest, the sled attains a speed of 2.6 m/s in 9.1 m. Find the coefficient of kinetic friction between the runners of the sled and the sn..
1. suppose that you want to cook a 1 inch 2.5 cm thick steak to medium doneness which is an internal temperature of
A kayaker paddles with a power output of 60.0 W to maintain a steady speed of 1.40 m/s, by what factor does the kayaker's speed change
The focal length of a lens is inversely proportional to the quantity (n ? 1), where n is the index of refraction of the lens material. The value of n, however, depends on the wavelength of the light that passes through the lens. where will the vi..
A stationary pion (mass m?) decays into a muon (mass mµ) and a neutrino (mass m? ? 0, i.e. treat as massless). How fast does the muon go
Four identical charges (+2.1 ?C each) are brought from infinity and fixed to a straight line. Determine the electric potential energy of this group
A line of positive charge is formed into a semicircle of radius R = 80.0 cm, Calculate the total force on a charge of 4.00 µC placed at the center of curvature
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