Bohr model was useful in the development of a quantum mechanical model for hydrogen.
The argument was that a low-density gas absorbs some wavelength from a continuous spectrum, leaving behind dark absorption lines superimposed on the continuous spectrum.
Which of the following observations led Bohr to formulate his model of the hydrogen atom?
A) Neutrons form a diffraction pattern when scattered from a nickel crystal.
B) The peak of blackbody radiation moves to shorter wavelengths as temperature increases.
C) A low-density gas emits a series of sharp spectral lines.
D) Electrons are observed to have wave nature.
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