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43.2   Problems 1) A certain nucleus containing 8 protons and 7 neutrons has a radius R. Which of the following values would be closest to the expected value of the radius of a nucleus having 51 protons and 69 neutrons? A) 1.85R B) 2.00R C) 2.14R D) 6.38R E) 8.00R 2) A certain nucleus containing 8 protons.
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43.1   Conceptual Questions 1) Consider two different isotopes of the same neutral element. Which statements about these isotopes are true? (There may be more than one correct choice.) A) Both isotopes contain the same number of neutrons. B) Both isotopes contain the same number of protons. C) Both isotopes contain the same number of.
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44.1   Conceptual Questions 1) Which of the following particles are leptons? (There may be more than one correct choice.) A) positron B) muon C) π-meson D) neutron E) electron 2) Particles that do not interact via the strong force but do interact via the weak nuclear force (and presumably by the much weaker gravitation force) are called A).
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40.1   Conceptual Questions 1) The square of the wave function of a particle, |ψ(x)|2, gives the probability of finding the particle at the point x. A) True B) False 2) The smallest kinetic energy that an electron in a box (an infinite well) can have is zero. A) True B) False 3) The wave function for a.
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51) An excited U* nucleus undergoes fission into two fragments, as shown: U*  →  Ba  +  Kr The following atomic masses are known: Kr:91.926270 u Ba:143.922845 u U*:236.045563 u What is the reaction energy, in MeV, for this process? (1 u = 1.6605 × 10-27 kg = 931.5 MeV/c2) A) 150 MeV B) 160 MeV C) 170 MeV D) 180.
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39.1   Conceptual Questions 1) At absolute temperature T, a black body radiates its peak intensity at wavelength λ. At absolute temperature 2T, what would be the wavelength of the peak intensity? A) 16λ B) 2λ C) λ D) λ/2 E) λ/16 2) A nonrelativistic electron and a nonrelativistic proton have the same de Broglie wavelength. Which of.
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42.1   Conceptual Questions 1) Covalent bonding is due to A) the sharing of electrons between atoms. B) the transfer of electrons between atoms. C) atoms bonding to hydrogen molecules. D) atoms bonding to oxygen molecules. 2) Ionic bonding is due to A) the sharing of electrons between atoms. B) the transfer of electrons between atoms. C) atoms bonding to.
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35.1   Conceptual Questions 1) In a double-slit experiment, if the slit separation is increased, which of the following happens to the interference pattern shown on the screen? A) The minima get closer together. B) The maxima stay at the same position. C) The minima and maxima stay at the same position. D) The minima stay.
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11) Radium-226 decays into radon-222 plus an alpha particle. How much energy is released in this process? 1 u = 931.494 MeV/c2, and the relevant mass values are He:4.002603 u Rn:222.017570 u Ra:226.025402 u A) 4.24 MeV B) 3.76 MeV C) 4.87 MeV D) 5.05 MeV E) 5.39 MeV 12) Plutonium-239 decays into uranium-235 plus an alpha particle. The.
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21) The stability of Sc with respect to alpha, β+, and β- decay is to be determined. Do not consider the possibility of decay by electron capture. The following atomic masses are known: He:4.002603 u K:42.960717 u Ca:46.954543 u Sc46.952409 u Ti:46.951764 u The Sc nuclide is A) not subject to alpha, β+, or β- decay. B) subject.
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38.1   Conceptual Questions 1) Monochromatic light strikes a metal surface and electrons are ejected from the metal. If the intensity of the light is increased, what will happen to the ejection rate and maximum energy of the electrons? A) greater ejection rate; same maximum energy B) same ejection rate; greater maximum energy C) greater.
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36.1   Conceptual Questions 1) In a single-slit diffraction experiment, the width of the slit through which light passes is reduced. What happens to the width of the central bright fringe? A) It stays the same. B) It becomes narrower. C) It becomes wider. D) Its behavior depends on the wavelength of the light. 2) A single-slit.
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