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Consider an object that is hot enough to glow violet blue (a peak frequency of 7.5 x 1014 Hz).
a. What is the temperature of this object?
b. How much energy IN ELECTRON VOLTS does a single photon at this peak frequency contain?
Consider an optical gain medium that has two levels at E 1=1.50 eV and E 2=3.50 eV. What is the resonant absorption wavelength
A heat engine absorbs 21000 J from a hot reservoir at 257 degrees C and expels 15000 J to a cold reservoir at 37 degrees C in each cycle. Find the theoretical efficiency and the actual efficiency
As you walk across a synthetic-fiber rug on a cold, dry winter day, you pick up an excess charge of -56?C, What is the charge on the rug as a result of your walking across it
consider an electron with an initial speed v0 = 32 Mm/s (1 Mm = 1 megameter = 1000 km = 1E6 m), What distance d (in m) will the electron travel before it stops
As a tennis ball is struck, it departs from the racket horizontally with a speed of 27.3 m/s. How far above the court is the tennis ball
Do you think that the commonly held goal of maximizing shareholder wealth forms the basis of identity for our capitalist systems and organizations? Explain why or explain why not?
A snow mibile is pulling a large sled across a snow-covered field. The weight of the sled is 3560 N. If the coefficient of friction of the sled is 0.12,
A 3.1 kg dog stands on a 15.00 kg flatboat at distance D = 6.1 m from the shore. It walks 2.00 m along the boat toward shore and then stops. Assume no friction between the boat and the water, find how far the dog is then from the shore.
A certain superconducting magnet in the form of a solenoid of length 0.80 m can generate a magnetic field of 14.0 T in its core, Find the number of turns in the solenoid.
Because a concave lens cannot form a real image of a real object, it is difficult to measure its focal length precisely. What is the focal length of the concave lens
On December 3, 2011, Jason sold th ebonds for $383,000 after amortizing $1,000 of the original issue discount. Illustrate what are the nature and amount of Jason's gain or loss?
A 16.5 kg gold bar at 27 °C is placed in a large, insulated 0.800 kg glass container at 15°C with 2.00 kg of water at 25.0°C. Compute the final equilibrium temperature.
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