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Radiation
Page 2
Questions (194)
Radiation allows heat to travel through empty space (a vacuum) without a medium.
* 1 point True False
3 answers
asked by
Eli S
26 views
I am having a problem with this problem from my homework. I need some help on this problem.
Microwave ovens work by irradiating
2 answers
asked by
shylo
503 views
Ok I am doing a project in science on radiation. I have to make a brochure. I need help answering these questions about
3 answers
asked by
Amy
880 views
I need help finding some descent pictures of radiation. I went on google but their is no good pictures. Please help me!
1 answer
asked by
Amy
391 views
Which of the following represents the typical lifetime exposure of radiation?
0.2 rem; 200 rems; 20 rems; 500 rems 20 rems?
1 answer
asked by
Bev
313 views
which of the following choices correctly describes the decreasing ability of the radiation to penetrate a sheet of lead that is
1 answer
asked by
james
747 views
Outline five common sources of radiation in laboratory
1 answer
asked by
Kelvin
20 views
Outline two common sources of radiation in laboratory.
1 answer
asked by
Kelvin
21 views
Outline 2 common sources of radiation in laboratory
1 answer
asked anonymously
13 views
Henri Becquerel expected to see only weak images on the photographic plate containing the uranium salt because he thought (1
6 answers
asked by
jeje
2,142 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
Which radiation will be stopped by a 1-cm-thick layer of steel?
Alpha radiation Alpha, beta, and gamma radiation Beta Radiation
3 answers
asked by
A.S
1,604 views
Radiation machines, used to treat tumors, produce an intensity of radiation that varies inversely as the square of the
3 answers
asked by
clarissa
1,547 views
Alpha Beta and Gamma Radiation
1 answer
asked anonymously
15 views
which of the following is an example of radiation?
hotter air upstairs vs in your basement the cycling of ocean water touching a
1 answer
asked by
gurlie
13 views
radiated food can be safely stored for a longer time because radiation
1. prevents air oxidation 2. prevents air reduction 3.
3 answers
asked by
Jazmin
1,358 views
I am stuck on this question and not really sure what to do for it. I think that i can use this equation Q/dt=e*sigma*A*T^4 for
2 answers
asked by
Eliz
1,254 views
The light from the Sun heats a metal surface. This is an example of
A. conduction. B. radiation. C. convection. D. reflection.
7 answers
asked by
greg
1,209 views
Cobalt-60 is a radioactive isotope used to treat cancers. A gamma ray emitted by this isotope has an energy of 1.33 MeV (million
2 answers
asked by
Rachel
1,198 views
All radiation emissions, alpha, beta, and gamma, transmutate an element.
a) True b) False
6 answers
asked anonymously
14 views
Why are alpha and beta rays deflected in opposite directions in a magnetic field? Why are gamma rays not deflected at all? Why
2 answers
asked by
Emily
1,151 views
X-rays are most similar to which of the following--alpha, beta, or gamma?
I think gamma?
3 answers
asked by
Shelly
1,095 views
for gamma radiation 1rad=1rem, but for alpha radiation 1 rad=20rem. Why is there a difference?
2 answers
asked by
Leila
1,086 views
Find the heat flux due to radiation from a gasoline pool fire whose flame is 3 m tall with a 1 m diameter, and it is 3.5 m away
1 answer
asked by
doris
911 views
_____________provided significant sources of energy on early Earth, and were most likely involved in the origin of life.
Options
1 answer
asked by
Sabrina
871 views
Why are x-rays uneffected my electric and magnetic fields.
Please help me to understand this. I think that x-rays are unefected
1 answer
asked by
Sam
804 views
A radiation worker is subject to a dose of 150 mrad/h of protons for one 40 h work week. How many times the yearly allowable
2 answers
asked by
Leigh
811 views
The temperature of the cosmic background radiation is measured to be 2.7 K. What is the wavelength of the peak in the spectral
3 answers
asked by
Julie
765 views
A 73-kg person is accidentally exposed for 215 s to a 16-mCi source of beta radiation coming from a sample of 14C.
What is the
1 answer
asked by
sara
732 views
A 75 kg laboratory technician working with the radioactive isotope 137Cs receives an accidental 100 mrem exposure. 137Cs emits
2 answers
asked by
Abdul
678 views
An unclothed student is in 24
◦ C room. If the skin temperature of the student is 37 ◦ C, how much heat is lost from his body
1 answer
asked by
Ivan
647 views
Which type of radiation emits particles of helium nuclei?
alpha radiation beta radiation induced radiation gamma radiation I
2 answers
asked by
Michael
635 views
Why are alpha and beta rays deflected in opposite directions in a magnetic field? Why are gamma rays not deflected?
2 answers
asked by
Shelly
601 views
I forgot My science book...
1. About 20% of radiation from the Sun is ___ 2. About 25% of radiation from the sun is ___ 3. About
2 answers
asked by
David
597 views
Human skin (choose all that apply)
1. emits radiation well. 2. absorbs radiation well. 3. does not emit radiation well. 4. does
2 answers
asked by
ice cream
571 views
An air-cooled motorcycle engine loses a significant amount of heat through thermal radiation according to the Stefan-Boltzmann
2 answers
asked by
Anonymous
525 views
What type of radiation is known to possess electromagnetic properties?
transmutation gamma rays alpha rays beta rays B?
1 answer
asked by
Quinn
510 views
When the ground gets warm, it emits an invisible type of light called infrared light. This light can travel into the atmosphere
1 answer
asked anonymously
34 views
When the ground gets warm, it emits an invisible type of light called infrared light. This light can travel into the atmosphere
1 answer
asked by
idk
84 views
A particular task exposes the operator to alpha radiation at an average dose of 200 ìGy each time the task is performed. If the
1 answer
asked by
Sarah
499 views
A person sitting quietly in a room on a winter day may lose heat primarily by radiation from the outer surface of her clothes to
1 answer
asked by
Anonymous
485 views
Which image exclusively represents the príncipe of radiation?
3 answers
asked by
Casa
486 views
A sphere of radius 0.500 m, temperature 25.7°C, and emissivity 0.915 is isolated in an environment of temperature 77.0°C.
At
1 answer
asked by
Caleb
486 views
A person sitting quietly in a room on a winter day may lose heat primarily by radiation from the outer surface of her clothes to
1 answer
asked by
BrandiB123456789
515 views
Each beta particle has an energy of 2.51 10-14 J, and 7.5% of the radiation is absorbed by the person. Assuming that the
2 answers
asked by
hannah
500 views
A beam of particles is directed at a 0.017-kg tumor. There are 2.4 x 1010 particles per second reaching the tumor, and the
1 answer
asked by
S
482 views
All objects emit _____ radiation.
A.electromagnetic B.kinetic C.thermal D.solar I think it is A...?
2 answers
asked by
Cassie
470 views
Lead shielding is used to contain radiation. The percentage of a certain radiation that can penetrate x millimeters of lead
2 answers
asked by
Barb
493 views
Lead shielding is used to contain radiation. The percentage of a certain radiation that can penetrate x millimeters of lead
2 answers
asked by
Barb
490 views
The amount of radiant power produced by the sun is approximately 3.9x10^26W. Assuming the sun to be a perfect black body sphere
1 answer
asked anonymously
57 views
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