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Which scientist proposed the liquid surface-tension method used in Bohr's 1905 prize work?
Answer
Lord Rayleigh
In the Bohr model, an electron's quantum jump emits or absorbs what kind of radiation?
Answer
electromagnetic radiation
Which physical constant named for Bohr measures an atomic length scale?
Answer
Bohr radius
Which device did Oppenheimer credit Bohr with clarifying in early 1945?
Answer
Modulated neutron initiators
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In the Bohr model, an electron's quantum jump emits or absorbs what kind of radiation?
Answer
electromagnetic radiation
Which physical constant named for Bohr measures an atomic length scale?
Answer
Bohr radius
How old was Niels Bohr when he died?
Answer
77
Which device did Oppenheimer credit Bohr with clarifying in early 1945?
Answer
Modulated neutron initiators
What book by Kierkegaard did Bohr send his brother as a birthday gift in 1909?
Answer
Stages on Life's Way
What type of aircraft carried Bohr from Sweden to Scotland in 1943?
Answer
de Havilland Mosquito
Which foundation created a 1933 fund that Bohr used to help refugee academics?
Answer
Rockefeller Foundation
Which 1923 discovery convinced many physicists that light was composed of photons?
Answer
Compton scattering