Chose the right answer 1- Which is true? a-Both fermions and bosons obey the Pau

Question

Chose the right answer

1- Which is true?

a-Both fermions and bosons obey the Pauli exclusion principle.

b-Neither fermions nor bosons obey the Pauli exclusion principle

c-Bosons obey the Pauli exclusion principle but fermions do not

d- Fermions obey the Pauli exclusion principle but bosons do not

2-Which is true about the strong force and the electromagnetic force?

a-The electromagnetic force acts on only charged leptons. The strong force acts on only hadrons

b-The electromagnetic force acts on only charged hadrons. The strong force acts on only leptons.

c-The strong force acts on only hadrons. The electromagnetic force acts on all charged particles

d-The strong force acts on only leptons. The electromagnetic force acts on all charged particles

3-Watch the animation for Fig. 44-2. Watch interaction causes the spray of particles?

a-annihilation of proton and antiproton

b-annihilation of pion and antipion

c-annihilation of electron and positron

4-What was the net charge before the annihilation (proton and antiproton) and after the pions are produced?

a- 0 and 0

b- 0 and positive

c- positive and 0

d- positive and positive

5- Why don't the neutrinos leave tracks?

a- They have no electric charge and rarely interact with matter, such as the liquid hydrogen in the chamber

b- They move too quickly

c- They move too slowly

d- They wear masks

6- What is the direction of the magnetic field?

a- directly into the figure

b- directly out of the figure

c- in the plane of the figure, toward the top

d- in the plane of the figure, toward the bottom

e- in the plane of the figure, toward the left

f- in the plane of the figure, toward the right

7- What makes up a meson?

a-Two quarks (either two particles or two antiparticles, but not a mixture)

b- Three quarks (particles or antiparticles)

c- Two quarks (one particle and one antiparticle)

d- One or more quarks (particles or antiparticles)

8- How many families of quarks are there?

a- 1

b- 2

c- 3

d- 4

Explanation / Answer

As per Chegg guidelines, we are supposed to one question with maximum four subparts. I am doing it accordingly.

(1) On fermion obeys Pauli's exclusion principle.

Option (d)

(2) The strong force acting only on hadron while an electromagnetic force acts on all the charged particle.

option (c)

(3) Figure not given

(4) Since the total charge is always conserved, and as net charge is zero before the reaction hence it must be zero after the reaction.

Option (a)

(5) They have no electric charge and rarely interact with matter, such as the liquid hydrogen in the chamber

option (a)

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