Ratio of the photon wavelength to the de broglie wavelength
The kinetic energy of a particle is equal to the energy of a photon. The particle moves at 4.2% of the speed of light. Find the ratio of the photon wavelength to the de Broglie wavelength of the particle. Take the speed to be non-relativistic.
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A proton is confined to a nucleus that has a diameter of 4.8 × 10-15 m. If this distance is considered to be the uncertainty in the position of the proton, what is the minimum uncertainty in its momentum?
A nuclear power reactor generates 2.5 × 109 W of power. In one year (365.25 days), what is the change in the mass of the nuclear fuel due to the energy being taken from the reactor?
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