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Particle Physics
Page 4
Questions (396)
A particle called neutral pi meson (or pion) decays into two photons and nothing else. If the pion is initially at rest (rest
1 answer
asked by
wally
380 views
A particle called neutral pi meson (or pion) decays into two photons and nothing else. If the pion (whose rest mass is 135Mev)
1 answer
asked by
Deforest
461 views
Show that the following process is dynamically inpossible:
A single photon in empty space is transformed into an electron and a
1 answer
asked by
walter
1,053 views
A particle called neutral pi meson (or pion) decays into two photons (and nothing else).If the pion (whose rest mass is 135Mev)
2 answers
asked by
walter
512 views
Which of the following best describes a photon?
a) a radioactive wave b) a gamma ray c) a discrete bundle of energy d) a sound
3 answers
asked anonymously
59 views
The particles of a gas are in constant random motion.
true or false
3 answers
asked anonymously
14 views
An antiproton (which has the same properties as a proton except that its charge is -e) is moving in the combined electric and
4 answers
asked by
Robert
1,243 views
What is a neutral subatomic particle?
5 answers
asked anonymously
35 views
Can penetrate other materials moderately
5. Can be absorbed by a sheet of aluminum: Can be absorbed by a sheet of aluminum Alpha
3 answers
asked by
Snaggy
46 views
Which is a characteristic of dark matter?
* 1 point it does not interact with baryonic matter it has not been observed directly.
3 answers
asked by
apple anyone
53 views
How is the particle represented?
beta decay
3 answers
asked by
Snaggy
18 views
Match the particle to its description
Column A 1. This particle cannot penetrate very far into other materials 2. Can be absorbed
3 answers
asked by
Sheuueuwjwjwjwjwjjejhshsjs
70 views
Do you believe electrons exist and why or why not?
1 answer
asked by
angela
291 views
WHAT CHARGE ARE PROTONS
3 answers
asked by
ME
297 views
particle A has a mass of 2 and a charge of -1. particle B has a mass of 2 and a charge of +1. are particle A and particle B
2 answers
asked by
Nick
521 views
write the symbol,mass and charge for all of the nuclear particles
1 answer
asked by
Anonymous
257 views
Find Beta and Gamma for an electron that has a kinetic energy of 6.00 keV.
gamma = KE/MoC^2 + 1 Beta = 1/gamma^2 + 1 gamma =
1 answer
asked by
Andy
454 views
Calculate the voltage required to accelerate a beam of protons initially at rest if they have a kinetic energy of 4.5keV.
deltaV
2 answers
asked by
Lanise
511 views
Is all matter made up of tiny particles too small to see
2 answers
asked by
steven
170 views
Match the particle to its' description:
4. is a negatively charged particle: is a negatively charged particle 5. Is the same as a
3 answers
asked anonymously
38 views
4.
is a negatively charged particle: is a negatively charged particle 5. Is the same as a helium nucleus: Is the same as a helium
3 answers
asked anonymously
36 views
4.
is a negatively charged particle: is a negatively charged particle 5. Is the same as a helium nucleus: Is the same as a helium
3 answers
asked anonymously
34 views
is a negatively charged particle
Beta particle b.Gamma particle c.Alpha particle
3 answers
asked anonymously
34 views
ions have a half life of 1.8*10exp(-8)sec. A pion beam leaves an accelerator at a speed of 0.8c, What is the expect distance
2 answers
asked by
John
471 views
is a negatively charged particle
a.Beta particle b.Alpha particle c.Gamma particle
3 answers
asked anonymously
38 views
The presence of oxygen atoms on the surface results in auger electrons with a kinetic energy of approximately 505 eV.
What is the
3 answers
asked by
Kyle
1,116 views
what are the sings of the charges on the beta particles?
one of my frends says it 0. the other one says its +1 and -1. but i
1 answer
asked by
Tiffany
386 views
Which characteristic of matter does the Standard Model not deal with? (hint: it does deal with charge, for example)
1 answer
asked by
Sam
328 views
Question 1
Video #1, Question #1 Match the particle to its' description: Column A 1. : 2. : 3. : 4. Is the same as a Helium atom:
3 answers
asked anonymously
84 views
Question 1
Video #1, Question #1 Match the particle to its' description: Column A 1. 4/2 he : 2.0/-1 e : 3. y : 4. Is the same as
3 answers
asked anonymously
141 views
Match the particle to its' description:
Column A 1. : 2. : 3. : 4. Is the same as a Helium atom: Is the same as a Helium atom 5.
3 answers
asked anonymously
44 views
how do the masses iof electrons compare with the masses of protons?
1 answer
asked by
jenna
325 views
Match the part of the diagram to its correct label.
w=neutral particle x=positive particle y= out side black z=neutral particle
3 answers
asked anonymously
121 views
The (electromagnetic radiation / gravity) of dark matter causes baryonic gas and dust to (clump together / break apart).
7 answers
asked by
sleepy
58 views
In 1906, J. J. Thomson won the Nobel Prize for the discovery of the .....
electron?
3 answers
asked by
Molly
537 views
Why was the proton and electron discovered before the neutron?
1 answer
asked by
Austin
364 views
Please help me with this question.
What particle has exactly one quantums unit of charge?
2 answers
asked by
JoAnne
541 views
what is a one sentence that describes how subtatomic particles and atomic mass unit are realted?
6 answers
asked by
liz
561 views
How is a subatomic particle related to atomic mass unit
How is an electron related to enrgy level. Our study guide asks 1 to 2
1 answer
asked by
liz
461 views
how is subatomic particles related to atomic mass unit
how is an electron related t oenergy level
3 answers
asked by
liz
523 views
Can someone give me some pointers on calculating the rest energy of a positron (a particle that has the same mass as an electron
1 answer
asked by
Jess
364 views
A pi meson of mass m moves with a speed u in the positive y direction in frame S with parameters BETA = u/c and
GAMMA = 1/[sqrt(1
1 answer
asked by
Anonymous
441 views
Suppose a newly found elementary particle has an average lifetime, T=30 ns, when at rest. In order for this new elementary
1 answer
asked by
slien
523 views
Relatively large particle
a.Gamma particle b.Alpha particle c.Beta particle
1 answer
asked anonymously
31 views
An alpha particle collides with an oxygen nucleus, initially at rest. The alpha particle is scattered at an angle of 60.9°
4 answers
asked by
Please Help!
2,161 views
describe two reasons why an alpha particle is less penetrating than a beta or gamma particle
3 answers
asked by
Regina
1,896 views
The mass of an electron is 9.11*10^-31kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31*10^-10m, how
4 answers
asked by
K
1,608 views
the mass of a proton is 1836 times the mass of an electron
a)a proton is traveling at speed v. at what speed (in terms of v)
4 answers
asked by
hey
1,568 views
Dina computed the mass of 1,000 protons in gramsThe calculator displayed the number 1.67E-21 What is the mass of 1,000 protons
1 answer
asked anonymously
37 views
What is a charged particle that results when the number of protons and numbers of electrons differ?
1 answer
asked anonymously
12 views
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Parent Categories (6)
Electromagnetism
Kinetic Energy
Physical Science
Physics
Quantum Mechanics
Science