Particle Physics MCQs with Answers

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Particle Physics Online Quiz

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• Test Name: Particle Physics MCQ Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

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Particle Physics

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1 / 40

What is the fundamental particle that makes up protons and neutrons?

Leptons

Bosons

Quarks

2 / 40

What are particles that mediate forces called?

Leptons

Gauge bosons

Quarks

3 / 40

What principle do fermions obey?

Aufbau principle

Heisenberg uncertainty principle

Pauli exclusion principle

4 / 40

Which particle is not a fermion?

Neutron

Electron

Photon

5 / 40

What is the rest mass of a photon?

Zero

Very small

1 amu

6 / 40

What particles make up the atomic nucleus?

Electrons and protons

Protons and neutrons

Neutrons and electrons

7 / 40

What particle has a charge of -1/3?

Down quark

Neutrino

Up quark

8 / 40

What particle was discovered in 2012 at the Large Hadron Collider?

Bottom quark

Higgs boson

Top quark

9 / 40

Which particle mediates the strong nuclear force?

Photon

Z boson

Gluon

10 / 40

What force does the Standard Model not include?

Electromagnetic

Weak nuclear

Gravity

11 / 40

What particle has a charge of +2/3?

Up quark

Down quark

Electron

12 / 40

Which particle is the force carrier of the electromagnetic force?

W boson

Gluon

Photon

13 / 40

What is a particle with an integer spin called?

Fermion

Boson

Lepton

14 / 40

Which fundamental force is the weakest?

Electromagnetic force

Gravitational force

Strong nuclear force

15 / 40

What is the charge of a neutron?

Negative

Neutral

Positive

16 / 40

What are the two types of hadrons?

Baryons and mesons

Photons and gluons

Leptons and quarks

17 / 40

What is the study of fundamental particles and their interactions called?

Particle physics

Nuclear physics

Quantum mechanics

18 / 40

What is the charge of a proton?

Negative

Positive

Neutral

19 / 40

What is the process called when a particle and its antiparticle annihilate?

Annihilation

Fusion

Fission

20 / 40

What is a particle with a half-integer spin called?

Fermion

Meson

Boson

21 / 40

What are the constituents of protons and neutrons called?

Leptons

Photons

Quarks

22 / 40

What is the spin of an electron?

1

45293

23 / 40

How many types of quarks are there?

Three

Six

Four

24 / 40

What is the charge of an electron?

Positive

Negative

Neutral

25 / 40

What is a particle with no charge and very little mass called?

Neutrino

Positron

Neutron

26 / 40

Which particles are known as fermions?

Mesons and baryons

Quarks and leptons

Photons and gluons

27 / 40

What is the particle responsible for the Higgs field?

Neutrino

Higgs boson

Gluon

28 / 40

What is a hadron?

A force-mediating particle

A particle made of quarks

A particle made of leptons

29 / 40

What is the building block of mesons?

Quark-antiquark pairs

Electron-positron pairs

Proton-neutron pairs

30 / 40

What type of particle is an electron?

Quark

Lepton

Boson

31 / 40

What is the primary component of cosmic rays?

Neutrons

Electrons

Protons

32 / 40

Which experiment confirmed the existence of quarks?

Rutherford gold foil experiment

Deep inelastic scattering

Double-slit experiment

33 / 40

What particle mediates the gravitational force?

Gluon

Graviton (theoretical)

Photon

34 / 40

What particle is considered the carrier of the strong nuclear force?

Gluon

Electron

Photon

35 / 40

What is the heaviest quark?

Top quark

Charm quark

Bottom quark

36 / 40

What is the theory that unifies the electromagnetic and weak nuclear forces?

General relativity

Electroweak theory

Quantum chromodynamics

37 / 40

What particle is responsible for the weak nuclear force?

Photons

Gluons

W and Z bosons

38 / 40

What particle is the antiparticle of the electron?

Positron

Neutrino

Proton

39 / 40

What is a particle with no rest mass called?

Neutron

Proton

Photon

40 / 40

What is the lightest and most stable baryon?

Electron

Neutron

Proton

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