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1. Let 12.0-eV electrons approach a potential barrier of height 4.2 eV.
(a) For what barrier thickness is there no re?ection?
(b) For what barrier thickness is the re?ection a maximum?
2. A 1.0-eV electron has a 2.0 X 10-4 probability of tunneling through a 2.5-eV potential barrier. What is the probability of a 1.0-eV proton tunneling through the same barrier?
Find the direction of the net electrical force electrons will exert on the proton. Enter your answer as an angle measured relative to the line connecting the proton and the right electron with counterclockwise being positive.
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A proton (mass= 1.7×10-27 kg, charge= 1.6×10-19 C) travelling with speed 106 m/s enters a region of space containing a uniform magnetic field of 1.2 T. What is the time t required for the proton to re-emerge into the field-free region?
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A particle with a charge of -60.0 nC is placed at the center of a nonconducting spherical shell of inner radius 20.0 cm, Calculate the speed of the proton
solve 14 and 15 and 11-13- 10- 9- 2 -6- step by step without jumping and explain more because i wanna
The Lens Makers Equation
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