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Hydrogen atom Lets have a non-relativistic description of the hydrogen atom using pointlike electron and nucleus without any spin.
a. What are the quantum numbers and their range of values of the energy levels? Which energy levels are degenerate?
b. Assume that the electron has a (small) finite volume. What is the effect on the energy levels (i.e. shifts, splittings)?
c. Now assume instead that the nucleus has a spin and magnetic moment (but NOT the electron). Describe whether this leads to an additional term in the Hamiltonian and what its effect is on the energy levels and (good) quantum numbers.
A 3 GHz line-of-sight microwave communication link consists of two lossless parabolic dish antennas, each 1 m in diameter.
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a 6 iron. For how much more time was the ball in flight
a small point charge having charge q is fixed a distance h above a thin infinite sheet of charge with charge density
A nozzle on a fire hose contracts from 3 inches to .5 inches. The average water velocity in the 3 inch section is 10 ft/sec. What is the average water velocity at the .5 inch section in m/sec? State any assumptions used.
A guitar string is 90 cm long and has a mass of 3.6g . The distance from the bridge to the support post is L=62cm, What is the fundamental frequency of this string
two point charges are distance d 43.5 cm apart they have equal and opposite charge each with magnitude q 8.94 oc. the
Susan is cleaning her house and dust particles are released into the air while she dusts. If two 7.0x10-14C pieces of dust exert an electrostatic force of 5.0x10-12N on each other, how far apart are the dust particles at that time?
a 85-turn circular coil has diameter 4.3cm and resistance 2.9o. this coil is placed inside a solenoid with coil and
a point charge has a charge of -7.00 micro c. estimate the strength and direction of the electric field at a distance
Assume that the diameter of the solenoid is small compared to the radius of the toroid, which is 0.051 m. Find the emf induced in the toroid when the current decreases to 1.0 A from 2.6 A in a time of 0.13 s
A stunt driver is attempting to jump 20 cars of total length of 42m using an inclined ramp. Calculate the Minimum angle of the ramp that would allow the stunt driver to clear 20 cars
q1. a 9.7 v battery is connected to a bulb whose resistance is 1.3. how many electrons leave the battery per minute?q2.
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