Physics

Particle Physics and Subatomic Particles MCQs with Answer

What is the basic building block of matter in particle physics?
a) Neutron
b) Quark
c) Proton
d) Electron

Which particle is found in the nucleus of an atom and has no electric charge?
a) Proton
b) Neutron
c) Electron
d) Positron

Which particle has a positive charge and is found in the nucleus of an atom?
a) Proton
b) Neutron
c) Electron
d) Antiproton

What is the antimatter counterpart of the electron?
a) Positron
b) Antiproton
c) Neutron
d) Antineutrino

Which force is responsible for holding quarks together in a proton or neutron?
a) Electromagnetic force
b) Gravitational force
c) Strong nuclear force
d) Weak nuclear force

What is the name of the particle that mediates the strong nuclear force?
a) Photon
b) Gluon
c) W boson
d) Z boson

What type of particle is a neutrino?
a) Fermion
b) Boson
c) Quark
d) Lepton

Which particle is exchanged in weak nuclear interactions?
a) Gluon
b) Photon
c) W and Z bosons
d) Higgs boson

What is the approximate mass of a neutrino?
a) Same as a proton
b) Much smaller than a proton
c) Equal to that of an electron
d) Much larger than a proton

Which of the following particles is responsible for the electromagnetic force?
a) Gluon
b) Photon
c) W boson
d) Higgs boson

What is the name of the force that holds the atomic nucleus together?
a) Gravitational force
b) Electromagnetic force
c) Strong nuclear force
d) Weak nuclear force

What is the fundamental force that governs the behavior of subatomic particles and is responsible for radioactive decay?
a) Gravitational force
b) Weak nuclear force
c) Strong nuclear force
d) Electromagnetic force

What is the name of the particle that gives other particles mass?
a) Gluon
b) Higgs boson
c) Neutrino
d) W boson

Which of the following is not a fundamental particle in the Standard Model of particle physics?
a) Quark
b) Lepton
c) Photon
d) Neutron

What is the mass of a photon?
a) Zero
b) Same as an electron
c) Equal to a proton
d) Undefined

Which of the following particles has a negative charge?
a) Neutron
b) Proton
c) Electron
d) Neutrino

What is the name of the particle that makes up protons and neutrons?
a) Electron
b) Gluon
c) Quark
d) Photon

Which particle has no electric charge but has mass?
a) Proton
b) Neutron
c) Electron
d) Positron

What is the force responsible for the interaction between quarks?
a) Strong nuclear force
b) Electromagnetic force
c) Gravitational force
d) Weak nuclear force

What is the approximate mass of a proton compared to an electron?
a) Equal to an electron
b) Much smaller than an electron
c) Much larger than an electron
d) Exactly the same

Which of the following particles is a type of quark?
a) Lepton
b) Gluon
c) Electron
d) Up quark

Which of the following is a type of lepton?
a) Gluon
b) Photon
c) Electron
d) Up quark

What is the symbol for an antiproton?
a) p
b) e
c) p̄
d) ē

Which of the following particles has the smallest mass?
a) Neutron
b) Proton
c) Electron
d) Neutrino

What is the concept of “quantum entanglement” in particle physics?
a) Particles move faster than light
b) Particles can be in multiple states at once
c) Two particles can be connected in such a way that the state of one affects the state of the other, even at great distances
d) Particles do not interact with each other

What type of particle is a photon?
a) Fermion
b) Boson
c) Quark
d) Lepton

What is the primary role of the strong nuclear force?
a) To govern the behavior of charged particles
b) To hold quarks together inside protons and neutrons
c) To mediate interactions between leptons
d) To attract protons and electrons to form atoms

What type of interaction is responsible for the decay of a neutron?
a) Electromagnetic interaction
b) Weak nuclear interaction
c) Strong nuclear interaction
d) Gravitational interaction

Which of the following particles is not part of the Standard Model?
a) Higgs boson
b) Photon
c) Neutrino
d) Graviton

What is the primary role of quarks in particle physics?
a) To mediate the strong nuclear force
b) To form protons and neutrons
c) To interact with electrons
d) To form photons

Which of the following is true about the weak nuclear force?
a) It only affects protons
b) It is responsible for the radioactive decay of particles
c) It holds the nucleus of atoms together
d) It is the strongest force in the universe

Which particle is exchanged in electromagnetic interactions?
a) Photon
b) Gluon
c) W boson
d) Neutrino

What type of particle is responsible for carrying the gravitational force in theoretical physics?
a) Photon
b) Gluon
c) Graviton
d) W boson

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