The peak of the radiation curve of a blackbody moves toward larger wavelength as its temperature increases.
a. True
b. False
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[Ques. 2] The peak of the radiation curve of a blackbody moves upward toward higher intensity as its temperature increases.
a. True
b. False
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[Ques. 3] In a blackbody, the energy of the oscillating atoms is quantized.
a. True
b. False
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[Ques. 4] A 100 eV electron and a 100 eV proton have equal de Broglie wavelengths.
a. True
b. False
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[Ques. 5] An x-ray can be emitted when an electron undergoes an energy level transition.
a. True
b. False
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[Ques. 6] The highest energy level in an atom corresponds to n = 1.
a. True
b. False
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[Ques. 7] The ground state is the lowest energy level in an atom.
a. True
b. False
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[Ques. 8] The element helium was discovered by studying the Sun's spectrum.
a. True
b. False
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[Ques. 9] The early Solvay Conferences had a great effect upon the development of quantum mechanics.
a. True
b. False
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[Ques. 10] Electrons in atoms move about the nucleus in well-defined circular orbits.
a. True
b. False
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