1. If the nucleus of a lead atom were broken into two identical nuclei. the tota
ID: 1402403 • Letter: 1
Question
1. If the nucleus of a lead atom were broken into two identical nuclei. the total mass of the result would be A) the same as before B) greater than before C) less than before D) converted into radiation ED converted into kinetic energy 2. An example of a boson is a: A) photon B) electron C) neutrino D) proton EO neutron 3. Hubble's law is evidence that: A) the speed of light is increasing B) the universe is expanding C) the Earth is slowing down in its orbit D) galaxies have rotational motion E none of the above 4. When uranium undergoes fission as a result of neutron bombardment, the energy released is due to: A) oxidation of the uranium B) kinetic energy of the bombarding neutrons C) radioactivity of the uranium nucleus D) radioactivity of the fission products E) a reduction in binding energy 5. When 230U fissions, the fragments are: A) always e and Sr B) always identical C) never axe and Sr D) never identical E) none of the aboveExplanation / Answer
1) Less than before.
2) Photon
3) The universe is expanding. (Hubble's law is considered the first observational basis for the expansion of the universe & value of the rate of expansion, is called the Hubble constant)
4) Reduction in binding energy.
5) None of the above
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