Questions & Answers
Browse all 25 questions from the
Quantum Physics Trivia study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
In what year did Max Planck introduce the idea that energy is radiated in discrete units called quanta?
-
A
1895
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B
1900
-
C
1905
-
D
1912
2
Which scientist was awarded the 1921 Nobel Prize in Physics specifically for his explanation of the photoelectric effect?
-
A
Niels Bohr
-
B
Werner Heisenberg
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C
Albert Einstein
-
D
Erwin Schrödinger
3
What is the approximate value of Planck's constant (h) in joule-seconds?
-
A
6.626 x 10^-34
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B
1.602 x 10^-19
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C
9.109 x 10^-31
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D
3.00 x 10^8
4
In 1927, who formulated the principle stating that one cannot simultaneously know the exact position and momentum of a particle?
-
A
Wolfgang Pauli
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B
Max Born
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C
Werner Heisenberg
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D
Louis de Broglie
5
How many fundamental forces of nature are recognized in the Standard Model of particle physics?
6
Which Danish physicist proposed a model of the atom in 1913 where electrons travel in discrete orbits around the nucleus?
-
A
Niels Bohr
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B
Enrico Fermi
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C
Richard Feynman
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D
John Bell
7
The Pauli Exclusion Principle, formulated in 1925, states that two fermions cannot occupy the same what?
-
A
Mass state
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B
Energy state
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C
Quantum state
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D
Velocity state
8
What subatomic particle was discovered by James Chadwick in 1932?
-
A
Proton
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B
Electron
-
C
Neutron
-
D
Positron
9
In 1924, who proposed the hypothesis that matter particles like electrons also exhibit wave-like properties?
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A
Louis de Broglie
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B
Paul Dirac
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C
Max Planck
-
D
Walter Nernst
10
The Schrödinger equation, which describes how the quantum state of a physical system changes with time, was published in what year?
-
A
1921
-
B
1926
-
C
1930
-
D
1935
11
What is the charge of a standard electron in coulombs, approximately?
-
A
-1.602 x 10^-19
-
B
+1.602 x 10^-19
-
C
0
-
D
9.109 x 10^-31
12
Who received the Nobel Prize in Physics in 1933 for the 'discovery of new productive forms of atomic theory'?
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A
Erwin Schrödinger and Paul Dirac
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B
Albert Einstein and Niels Bohr
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C
Max Born and Werner Heisenberg
-
D
Louis de Broglie and Max Planck
13
How many quarks are required to form a single proton?
14
The 'Copenhagen Interpretation' of quantum mechanics is largely associated with the work of which physicist during the 1920s?
-
A
Niels Bohr
-
B
Richard Feynman
-
C
Stephen Hawking
-
D
Murray Gell-Mann
15
In 1928, who predicted the existence of antimatter by deriving an equation that combined quantum mechanics and special relativity?
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A
Paul Dirac
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B
Wolfgang Pauli
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C
Werner Heisenberg
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D
Enrico Fermi
16
What is the speed of light (c) in a vacuum, roughly measured in meters per second?
-
A
300,000
-
B
3,000,000
-
C
30,000,000
-
D
300,000,000
17
Which of these particles is considered a boson, the force-carrying particle in the Standard Model?
-
A
Electron
-
B
Proton
-
C
Neutron
-
D
Photon
18
The term 'quantum' was first used in the context of physics by Max Planck in the year 1900 to describe what?
-
A
Energy packets
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B
Atomic weight
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C
Magnetic fields
-
D
Light speed
19
What is the approximate mass of an electron in kilograms?
-
A
9.11 x 10^-31
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B
1.67 x 10^-27
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C
6.63 x 10^-34
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D
1.60 x 10^-19
20
In what year did Richard Feynman receive the Nobel Prize in Physics for his work in quantum electrodynamics?
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A
1955
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B
1965
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C
1975
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D
1985
21
How many quantum numbers are used to completely describe the state of an electron in an atom?
22
Who performed the famous Double-Slit experiment in 1801, which later became fundamental to quantum wave-particle duality?
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A
Thomas Young
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B
Isaac Newton
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C
Michael Faraday
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D
James Clerk Maxwell
23
The concept of 'spin' in quantum mechanics was introduced in 1925 by which two physicists?
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A
Uhlenbeck and Goudsmit
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B
Bohr and Einstein
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C
Dirac and Born
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D
Heisenberg and Pauli
24
Which scientist is credited with the discovery of the positron in 1932?
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A
Carl Anderson
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B
J.J. Thomson
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C
Ernest Rutherford
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D
Marie Curie
25
In 1945, which physicist developed the theory of quantum electrodynamics (QED) alongside Tomonaga and Schwinger?
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A
Richard Feynman
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B
Niels Bohr
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C
Albert Einstein
-
D
Werner Heisenberg
