Physics & Astronomy
Physics for Scientists and Engineers Study Set 1
Quiz 7: Conservation of Energy
When a Hydrogen Atom Absorbs a Photon with E =
When a hydrogen atom absorbs a photon with E = 4.089
J, what is the frequency of the photon? A) 6.17
Hz B) 2.45
Hz C) 2.55
Hz D) 6.623
Hz E) None of these is correct.
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The binding energy of a deuteron is 2.22 MeV. This means that A) deuterons can be broken up by bombarding them with electromagnetic radiation possessing energy of at least 2.22 MeV. B) deuterons can be broken up by bombarding them with particles possessing energy of at least 2.22 MeV. C) if the deuterons are bombarded with particles whose energy exeeds 2.22 MeV, the excess energy appears as kinetic energy of the outgoing particles. D) if the deuterons are bombarded with particles whose energy is less than 2.22 MeV, they will not be decomposed into their constituent parts. E) all of these are correct.
Newtonian mechanics, compared to Einstein's Special Relativity is valid if A) an object is traveling at a constant velocity. B) an object has a very small mass. C) the kinetic energy of an object is much less than its rest mass. D) an object is not traveling at the speed of light. E) the kinetic energy of an object is much greater than its rest mass.
When an electron in a hydrogen atom jumps from n = 2 to n = 1, the photon emitted is of frequency f = 4.572
Hz. What is the energy of the photon? A) 2.187
J B) 3.029
J C) 3.33
J D) 6.623
J E) None of these is correct.
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