Quantum mechanics MCQs

Quantum mechanics MCQs

The following Quantum mechanics MCQs have been compiled by our experts through research, in order to test your knowledge of the subject of Quantum mechanics. We encourage you to answer these multiple-choice questions to assess your proficiency.
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1: The charge on an electron is represented by "e." Which of the following charges can exist?

A.   2.0 e

B.   2.5 e

C.   3.6 e

D.   5.2 e

E.   5.5 e

2: Which of the following colors is associated with the lowest temperature of a black body radiator?

A.   Violet

B.   Blue

C.   Green

D.   Yellow

E.   Red

3: Rutherford's Gold Foil experiment caused a modification of which of the following?

A.   Plum-pudding model of the atom

B.   Planetary model of the atom

C.   De Broglie hypothesis

D.   Wave nature of light

E.   Quantum theory of light

4: Which of the following is a limitation of the Bohr Model of the atom?

A.   It does not explain atomic spectra.

B.   It successfully predicts the intensity of the photons emitted when electrons change energy levels.

C.   The model only applies to Hydrogen like atoms.

D.   The model only applies to light atoms.

5: Which one of the following objects, moving at the same speed, has the greatest de Broglie wavelength?

A.   Neutron

B.   Electron

C.   Tennis ball

D.   Bowling ball

E.   Alpha particle

6: How much of the universe is comprised of matter and energy that is explained by current Physics theory?

A.   95%

B.   75%

C.   50%

D.   25%

E.   5%

7: Which scientist is credited for the discovery of the Uncertainty Principle of Quantum Physics?

A.   Thomas Young

B.   Werner Heisenberg

C.   Erwin Schrodinger

D.   Albert Einstein

8: Which scientist is credited for discovering that light travels in waves?

A.   Thomas Young

B.   Werner Heisenberg

C.   Erwin Schrodinger

D.   Albert Einstein

9: How long is the tunnel in the Large Hadron Collider?

A.   10 miles (16 kilometers)


C.   170 miles (274 kilometers)

10: Who disliked quantum theory and said God does not play dice with the universe?

A.   Marie Curie


C.   J. Robert Oppenheimer

D.   Carl Jung

11: What was Max Planck studying when he stumbled across the principles of quantum mechanics?


B.   Relativity

C.   Particle turbulence

D.   Hyper calculus

12: "All moving particles have a "matter wave" with a wavelength associated with them"

A.   This hypothesis has a name. Which?

B.   Davisson and Germer hypothese

C.   De Broglie hypothesis

D.   Schrödinger hypothesis

E.   Bainbridge hypothesis

13: "Antineutrino is the antimatter form of the neutrino, and accounts for missing energy in beta minus decay"

A.   True

B.   False

14: The seven main spectral classes, in order of increasing surface temperature, are the following:

A.   O, B, A, F, G, L, T

B.   O, B, A, F, G, K, M

C.   M, K, G, F, A, B, O

D.   T, L, G, F, A, B, O

15: A quantum of light is a _________.

A.   Photoelectric effect

B.   Both the same

C.   Electrons

D.   Smallest lump of light