The Bohr model of atoms (a) Assumes that the angular momentum of electrons is quantized. (b) Uses Einstein's photoelectric equation. (c) Predicts continuous emission spectra fror atoms. (d) Predicts the same emission spectra for all types of atoms.

Answer: (a). Bohr postulated L = nh/2π (quantised angular momentum). It does not use the photoelectric equation, and it predicts discrete line spectra that differ from element to element. So the answer is (a).

The Bohr model of atoms | NEET 2004 (AIPMT)

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Bohr Model: Orbits, Speed & Angular Momentum

The Bohr model of atoms

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Answer: (a)

Bohr postulated $L = n\dfrac{h}{2\pi}$ (quantised angular momentum).
It does not use the photoelectric equation, and it predicts discrete line spectra that differ from element to element.
So the answer is (a).

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