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Constants
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1) What is the ratio (to the nearest integer) of the kinetic energy to the rest mass energy of a
GeV electron?
2) In the preceding question what is the wavelength of the electron in units of fm to 2 decimal places?
3) A Van de Graff accelerator has a terminal voltage of
kV, what is the kinetic energy to the nearest eV of protons it accelerates?
4) What is the wavelength of the accelerated protons in the previous question to the nearest fm?
5) A cyclotron is used to accelerate deuterons has a frequency of
MHz, to 2 decimal places what is its magnetic field strength to the nearest tenth of a tesla?
6) If the cyclotron in the preceding question is to accelerate the deuterons to 20 MeV, what is its radius to the nearest cm?
7) The particles in the above question make
complete revolutions during their acceleration, what is the accelerating voltage across the dees to the nearest tenth of a kV?
8) If a component of the nuclear force were found to operate at a distance of
fm what would be the expected mass of the associated meson to the nearest MeV/c
2
?
9) A resonance particle has a energy width of
MeV, what would be its expected lifetime? (Express your answer in scientific notation to 2 decimal places, i.e., 12345=1.23e4)