Bohr's second postulate quantises which quantity?
ANuclear mass
BOrbital colour
CAngular momentum
DElectric charge
Answer & Solution
Correct answer: C. Angular momentum
1. Only certain orbits are permitted to the electron.
2. The rule picking them out involves h over two pi.
3. It quantises the angular momentum.
_Source: NCERT Class 12 Physics Part II, Chapter 12, Atoms._
Related questions
The ionisation energy of the hydrogen atom is about:The lowest energy state of an atom is called the:The energy of the emitted photon equals the difference between the:By Bohr's third postulate, a transition to lower energy emits a:Allowed angular momenta are integral multiples of h divided by:Bohr called the stable non-radiating orbits the:By Bohr's first postulate, an electron in a stable orbit emits:Bohr set out his theory of the atom in how many postulates?