Physics

That matter is composed of quarks was first proposed by

That matter is composed of quarks was first proposed by

That matter is composed of quarks was first proposed by

▸ Blatt and Weiskopf.

▸ Gell-Mann and Zweig.

▸ Rutherford and Geiger.

▸ Bardeen and Cooper.

▸ Feynman and Schwinger.

cassandra_dan   40   1 Reply

wardasid

SLAC is an abbreviation for a

SLAC is an abbreviation for a

 SLAC is an abbreviation for a

▸  linear accelerator.

▸  synchrotron.

▸  storage lane.

▸  machine at Fermilab.

▸  machine at CERN.

shbensonjr   46   1 Reply

jtarinay

Quarks come in how many flavors?

Quarks come in how many flavors?

 Quarks come in how many flavors?

▸  2

▸  3

▸  4

▸  5

▸  6

Ryan37sport   43   1 Reply

mr.pogi

Quark flavors include

Quark flavors include

Quark flavors include

▸ up, down.

▸ red, green.

▸ muon, pion.

▸ cyan, magenta.

▸ lepton, gluon.

darkfire12   40   1 Reply

smiller94107

Ordinary matter only contains which generation(s) of quarks?

Ordinary matter only contains which generation(s) of quarks?

Ordinary matter only contains which generation(s) of quarks?

▸ I

▸ II

▸ III

▸ I and II

▸ I, II, and III

jene277   41   1 Reply

ggianola

Ordinary matter contains only the following quarks

Ordinary matter contains only the following quarks

Ordinary matter contains only the following quarks

▸ strange and charm.

▸ bottom and top.

▸ up and down.

▸ right and left.

rasnulx   37   1 Reply

hhorton

One way to estimate the range of an interaction is by using the Heisenberg uncertainty principle. ...

One way to estimate the range of an interaction is by using the Heisenberg uncertainty principle. ...

[html]One way to estimate the range of an interaction is by using the Heisenberg uncertainty principle. Assume that the uncertainty in the energy of an exchange particle is given by its rest energy and that the particle travels at nearly the speed

blakenordgaard   54   1 Reply

parrothead

Not counting antiparticles, how many different leptons are there?

Not counting antiparticles, how many different leptons are there?

Not counting antiparticles, how many different leptons are there?

▸ 2

▸ 4

▸ 6

▸ 8

▸ 10

jayboskeet   34   1 Reply

cheesoslimo

LHC stands for

LHC stands for

LHC stands for

▸  Lorentz Heavy Centrifuge.

▸  Level Height Charges.

▸  Laser Hertz Catalyzer.

▸  Large Hadron Collider.

▸  None of these choices are correct.

darkfire12   37   1 Reply

daddyb1

Isolated quarks were first observed in

Isolated quarks were first observed in

Isolated quarks were first observed in

▸  1938.

▸  1955.

▸  1976.

▸ 2012, with the discovery of the Higgs boson.

▸ Isolated quarks have not been observed.

AL0354335   36   1 Reply

hizzy117

In the weak interaction in the decay of the neutron, what happens to the W particle produced in the ...

In the weak interaction in the decay of the neutron, what happens to the W particle produced in the ...

[html]In the weak interaction in the decay of the neutron, what happens to the W− particle produced in the process?

▸ It decays into an electron.

▸ It decays into a neutrino.

▸ It decays into an electron and an e

mitch44   61   1 Reply

traumajeff

In terms of e, what is the charge of a particle whose quark composition is uds?

In terms of e, what is the charge of a particle whose quark composition is uds?

In terms of e, what is the charge of a particle whose quark composition is uds?

▸ 0

▸ 1

▸ −1

▸ 2

▸ −2

smithc52   39   1 Reply

fs125

In terms of e, the charge on a particle that has quark structure uus is

In terms of e, the charge on a particle that has quark structure uus is

In terms of e, the charge on a particle that has quark structure uus is

▸ 0

▸ 1

▸ −1

▸ 2/3

▸ −4/3

kmonette   38   1 Reply

mossadds

In brane-world theory, there are extra

In brane-world theory, there are extra

In brane-world theory, there are extra

▸ strings.

▸ gluons.

▸ monopoles.

▸ dimensions.

▸ leptons.

remmylp   38   1 Reply

sz

In an accelerator, two protons collide head-on and the following reaction takes place: p + p p + p ...

In an accelerator, two protons collide head-on and the following reaction takes place: p + p p + p ...

[html]In an accelerator, two protons collide head-on and the following reaction takes place: p + p → p + p + π0. What is the minimum kinetic energy of each initial proton for this reaction to occur? The mass of the proton is 938 MeV/c

triciababy1   59   1 Reply

Gab27

In addition to charge and baryon number, another conserved quantity in particle interactions is ...

In addition to charge and baryon number, another conserved quantity in particle interactions is ...

[html]In addition to charge and baryon number, another conserved quantity in particle interactions is lepton number. The six leptons have lepton number +1, and their antiparticles have lepton number −1. The lepton numbers for each generation (elec

laywatdut   37   1 Reply

Zigdog4400

In addition to charge and baryon number, another conserved quantity in particle interactions is ...

In addition to charge and baryon number, another conserved quantity in particle interactions is ...

[html]In addition to charge and baryon number, another conserved quantity in particle interactions is lepton number. The six leptons have lepton number +1, and their antiparticles have lepton number −1. The lepton numbers for each generation (elec

theferpectstudent   34   1 Reply

bjee231

In addition to charge and baryon number, another conserved quantity in particle interactions is ...

In addition to charge and baryon number, another conserved quantity in particle interactions is ...

[html]In addition to charge and baryon number, another conserved quantity in particle interactions is lepton number. The six leptons have lepton number +1, and their antiparticles have lepton number −1. The lepton numbers for each generation (elec

citycyborg   33   1 Reply

navgil

Immediately after the Big Bang, how many types of interaction are there believed to have been?

Immediately after the Big Bang, how many types of interaction are there believed to have been?

Immediately after the Big Bang, how many types of interaction are there believed to have been?

▸ 0

▸ 1

▸ 2

▸ 3

▸ 4

edelynpl   30   1 Reply

parrothead

If a reaction involving hadrons were written at the quark level as , which of the following could be ...

If a reaction involving hadrons were written at the quark level as , which of the following could be ...

[html]If a reaction involving hadrons were written at the quark level as  

rafiki121   67   1 Reply

letssdoothiss

Hadrons that contain one or more strange quarks are called strange particles. When a strange hadron ...

Hadrons that contain one or more strange quarks are called strange particles. When a strange hadron ...

[html]Hadrons that contain one or more strange quarks are called strange particles. When a strange hadron decays into particles that are not strange, it is a manifestation of the

▸ electromagnetic interaction.

▸ strong interaction.

bmwprincess   56   1 Reply

herroo

Gluons can absorb and emit

Gluons can absorb and emit

Gluons can absorb and emit

▸  electrons.

▸  protons.

▸ photons.

▸ baryons.

▸  gluons.

CountrySlim84   29   1 Reply

Marinaanderson0

Arrange the strong (S), electromagnetic (EM), weak (W), and gravitational (G) forces from weakest to ...

Arrange the strong (S), electromagnetic (EM), weak (W), and gravitational (G) forces from weakest to ...

[html] Arrange the strong (S), electromagnetic (EM), weak (W), and gravitational (G) forces from weakest to strongest.

▸  W, G, EM, S

▸  W, G, S, EM

▸  G, W, S, EM

▸  G, W, EM, S

▸  W, S, G, EM [/ht

ken80   29   1 Reply

gagan17

An electron and a positron, each having kinetic energy 1.843 GeV, collide head-on and annihilate, ...

An electron and a positron, each having kinetic energy 1.843 GeV, collide head-on and annihilate, ...

[html]An electron and a positron, each having kinetic energy 1.843 GeV, collide head-on and annihilate, producing a proton and antiproton pair (M = 938.3 MeV/c2). What is the kinetic energy of the antiproton produced in this way?

▸

Nursesn   40   1 Reply

kamarie3

An accelerator that slams particles moving in opposite directions into one another is called a

An accelerator that slams particles moving in opposite directions into one another is called a

An accelerator that slams particles moving in opposite directions into one another is called a

▸  collider

▸  synchrotron

▸  linear accelerator

▸  storage ring

▸  de Broglie modulator

Dante52   28   1 Reply

andrewcao90

Accelerated electron beams are often used to study features of atoms on the surfaces of materials. ...

Accelerated electron beams are often used to study features of atoms on the surfaces of materials. ...

[html]Accelerated electron beams are often used to study features of atoms on the surfaces of materials. If you wanted to alter the design of an electron accelerator to produce an electron beam appropriate for the studying the nuclei of atoms instead

18iq   36   1 Reply

isaw09

A particle with a quark structure ds is a

A particle with a quark structure ds is a

A particle with a quark structure ds̄ is a

▸ baryon.

▸ lepton.

▸ meson.

▸ proton.

itpf04   35   1 Reply

collegestudent1

A muon is a

A muon is a

A muon is a

▸ baryon.

▸ lepton.

▸ hadron.

▸ proton.

Jimmyhighroller   30   1 Reply

elixy19

A bound triplet of quarks is called a

A bound triplet of quarks is called a

A bound triplet of quarks is called a

▸ beta particle.

▸ meson.

▸ baryon.

▸ lepton.

▸ neutrino.

neezy   26   1 Reply

jojoliciouz

A bound quark-antiquark pair is called a

A bound quark-antiquark pair is called a

A bound quark-antiquark pair is called a

▸ proton.

▸ neutron.

▸ meson.

▸ baryon.

▸ lepton.

SunnieeCA   28   1 Reply

vicky12345

Who discovered radioactivity?

Who discovered radioactivity?

Who discovered radioactivity?

▸ Niels Bohr

▸ Marie Curie

▸ Albert Einstein

▸ Henri Becquerel

▸ Richard Feynman

18iq   25   1 Reply

billbye

Which of the following nuclear reactions is forbidden?

Which of the following nuclear reactions is forbidden?

[html]Which of the following nuclear reactions is forbidden?

▸

ken80   28   1 Reply

bcyber

Which force is responsible for holding the protons and neutrons together in the nucleus?

Which force is responsible for holding the protons and neutrons together in the nucleus?

Which force is responsible for holding the protons and neutrons together in the nucleus?

▸ strong

▸ gravity

▸ weak

▸ coulomb

▸ electromagnetic

▸ centrifugal

bennick   30   1 Reply

miil41

When a nucleus of a given isotope decays, it

When a nucleus of a given isotope decays, it

[html] When a nucleus of a given isotope decays, it

▸ cannot produce a daughter with the same mass number.

▸ always produces a daughter with a lower mass number.

▸ cannot produce a daughter with a lower mass number.

▸

cng   27   1 Reply

Juke72

When 241 Am decays by emitting an alpha particle of kinetic energy 5.5 MeV, what is the recoil ...

When 241 Am decays by emitting an alpha particle of kinetic energy 5.5 MeV, what is the recoil ...

[html]When 241 Am decays by emitting an alpha particle of kinetic energy 5.5 MeV, what is the recoil energy of the daughter nucleus?

▸ 5.5 MeV

▸ 1.3 MeV

▸ 0.88 MeV

▸ 0.093 MeV

▸ 0.091 MeV[/htm

Nursesn   32   1 Reply

malgrextout

What nuclide has 14 protons and 16 neutrons?

What nuclide has 14 protons and 16 neutrons?

What nuclide has 14 protons and 16 neutrons?

▸ 16S

▸ 14O

▸ 30Si

▸ 30S

SunnieeCA   27   1 Reply

BAGrinder

What is the volume of the

What is the volume of the

[html]What is the volume of the

laywatdut   22   1 Reply

karatins

What is the symbol for the nuclide with 46 protons and 92 neutrons?

What is the symbol for the nuclide with 46 protons and 92 neutrons?

[html]What is the symbol for the nuclide with 46 protons and 92 neutrons?

▸

aramo023   26   1 Reply

duhello

What is the symbol for the nuclide with 38 protons and 50 neutrons?

What is the symbol for the nuclide with 38 protons and 50 neutrons?

[html]What is the symbol for the nuclide with 38 protons and 50 neutrons?

▸

cmartinez034   30   1 Reply

amandashimkus

What is the ratio of radii of the nuclides

What is the ratio of radii of the nuclides

[html]What is the ratio of radii of the nuclides

Katie32   24   1 Reply

aupadhay287