Question

Which one is not in agreement with Bohr's model of the atom ?

A. Line spectra of hydrogen atom
B. Pauli's exclusion principle
C. Planck's theory
D. Heisenberg's uncertainty principle  
Answer :   Heisenberg's uncertainty principle
Solution :
Bohr's model of an atom describes orbit as a clearly defined path and this could be only possible when both position and the velocity of the electron are known exactly at the same time. This is not possible according to Heisenberg uncertainty principle.

Releted MCQ Question on
Physical Chemistry >> Atomic Structure

Releted Question 1

The number of neutrons in dipositive zinc ion with mass number 70 is

A. 34
B. 36
C. 38
D. 40
Releted Question 2

Rutherford’s experiment on scattering of $$a$$ -particles showed for the first time that the atom has

A. electrons
B. protons
C. nucleus
D. neutrons
Releted Question 3

Any $$p-$$orbital can accommodate upto

A. four electrons
B. six electrons
C. two electrons with parallel spins
D. two electrons with opposite spins
Releted Question 4

The principal quantum number of an atom is related to the

A. size of the orbital
B. spin angular momentum
C. orbital angular momentum
D. orientation of the orbital in space

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Atomic Structure


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