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Q1. Calculate the de Broglie wavelength of the electron in the n=1 state of the hydrogen atom.
Q2. Calculate the de Broglie wavelength of the electron in the n=2 state of the hydrogen atom.
Q3. Calculate the de Broglie wavelength of the electron in the n=3 state of the hydrogen atom.
A krypton laser produces a cylindrical red laser beam 2.0 in diam with 2.0 of power. What is the light intensity on a wall 2.5 away from laser.
A puck of mass m1 = 1.50 kg slides in a circle of radius r = 20.0 cm on a frictionless table while attached to a hanging cylinder of mass m2 = 2.50 kg by a cord through a hole in the table
A certain gyroscope consists of a uniform disk with a 56 cm radius mounted at the center of an axle that is 13 cm long and of negligible mass. what is the precession rate
question a boy of mass 50.5 kg is initially on a skateboard of mass 2.00 kg moving at a speed of 10.3 ms. the boy falls
The fresh water behind a reservoir dam is 15.0 m deep.A horizontal pipe 5.00 cm in diameter passes through the dam9.5 m below the water surface. What volume of water flows out of the pipe in 5.0 hours
A glass capillary tube with a diameter of 8.5 mm and length 16 cm is filled with a salt solution with a resistivity of 3.4 ?m. What is the resistance?
Three forces are applied to an object. Force F1 has a magnitude of 20.3 newtons (20.3 N) and is directed 30.0° to the left of the +y axis.
An explosive at ground level leaves a crater with a diameter that is proportional to the energy of the explosion raised to the (1/3) power; an explosion of 1 megaton of TNT leaves a crater with a 1 km diameter.
Artificial gravity is a must for any space station if humans are to live there for any extended length of time. Without artificial gravity, human growth is stunted and biological functions break down. An effective way to create artificial gravity ..
Review Interactive Solution 4.41 in preparation for this problem. A 90.0-kg baseball player slides into second base. What is the magnitude of the frictional force
An F-18 jet fighter flies directly overhead at a height of 18000mat 5/3 the speed of sound. Make a diagram that adequately illustrates thesituation and shows the parameters used to calculate the angle ofthe shock wave.
A certain waffle iron is rated at 0.95 kW when connected to a 120-V source. What current does the waffle iron carry
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