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a) How many transitions involving the hydrogen energy levels (solid lines) shown in the diagram correspond to photons of visible light?
b) How many transitions involving the hydrogen energy levels shown correspond to photons of infrared light?
c) How many transitions involving the hydrogen energy levels shown correspond to photons of ultraviolet light?
Initially, the switch in the figure below is open and the capacitor is uncharged. V = 3 V and C = 18 µF. How much charge flows through the switch after the switch is closed
You have a string with a mass of 14.1 g. You stretch the string with a force of 8.63 N, giving it a length of 1.93 m. What is the wavelength of the standing wave you create in the string
When the starter motor on a car is engaged, there is a 330A current in the wires between the battery and the motor, What minimum diameter can the wires have if the voltage drop along the wires is to be less than 0.45V
A rope, under a tension of 294 N and fixed at both ends, oscillates in a second-harmonic standing wave pattern, find the length of the rope and the speed of the waves on the rope
A person stands at a point 510m in front of the face of a sheer cliff. If the person shouts, how much time will elapse before an echo is heard? Assume normal air pressure
An alpha particle with the kinetic energy Wk=10MeV is heading towards a stationary tin nucleus number is 50. Calculate the distance of the closest approach.
A 20.4-kg boy slides down a playgroundslide that drops through a height of 2.15m. what is the boy's speed at the bottom ofthe slide
sometimes the laws of thermodynamics are summarized by saying1 you cant get something for nothing.2 you cant even break
Calculate the de Broglie wavelength for an alpha particle (He-e nucleus) with energy E = 4.2 GeV (which is emitted in the radioactive decay of U-238)
consider the daughter of radon 222 through alpha decay. a sample which initially contained 10 moles of this daughter
The author gold wedding ring is stuck on his finger, and he must remove it. How much must the temperature of the ring be increased for it to slide past the knuckle
In an amusement park water slide, people slide down an essentially frictionless tube. Does the mass of the person make any difference
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