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An electron is trapped in a one-dimensional infinite well and is in its first excited state. The figure below indicates the five longest wavelengths of light that the electron could absorb in transitions from this initial state via a single photon absorption: ?a = 61.34 nm, ?b = 25.56 nm, ?c = 14.61 nm, ?d = 9.59 nm, and ?e = 6.82 nm. What is the width of the potential well?
The measured conductivity of Cu at Room Temperature is 5.88 x 107/ohm.m and the Fermi energy for Cu is 7.03 eV, Find the mean free path( mfp) of electrons in copper
An object 2.0mm high is placed 12cm from a convex mirror of radius of curvature 12c, Determine the image distance using the mirror equation 1do+1di=1f
Modeling the optical trap as a Hookean spring, evaluate the trap stiffness using the Boltzmann distribution. Determine the sphere diameter by comparing the Stokes drag and the tweezer force that balances the drag.
You cool a 130.0g slug of red-hot iron (temperature 745 ?C) by dropping it into an insulated cup of negligible mass containing 70.0g of water at 20.0 ?C. What is the final mass of the iron and the remaining water
State the maximum height in terms of a, t_1, and/or g. Note that in this problem, g is a positive number equal to the magnitude of the acceleration due to gravity.
In a X-ray tube, electrons are accelerated through a potential of 10, 000V. How much energy does the accelerated electron have
A red light flashes at position xR=4.00 m and time tR=1.00x10-9 s and a blue light flashes at xB=5.00 m and tB=8.50x10-9 s. Find the location of the two flashes in frame S'
An airplane travels x = 4.50 x 10^2 km due east and then travels an unknown distance y due north. Finally, it returns to its starting point by traveling a distance of r = 525 km. How far did the airplane travel in the northerly direction.
A piece of insulated wire is shaped into a figure 8, as shown in Figure P31.18. The radius of the upper circle is 5.00 cm and that of the lower circle is 9.00 cm. What is the magnitude of the induced current in the wire
What force is exerted by the water on the window of an underwater vehicle at this depth if the window is circular and has a diameter of 35.7 cm
The minimum distance required to stop a car moving at 36.0 mi/h is 48 ft. What is the minimum stopping distance for the same car moving at 70.0 mi/h, assuming same rate of acceleration.
An electric heater consumes electrical energy at a rate of P = 350 W, What is the maximum power that could be drawn if the circuit contained a circuit breaker that limited the current to no more than 5 A
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