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Nuclear Physics Flashcards | StudBud
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Nuclear Physics
Nuclear Physics
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Flashcards
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1
What device is used to detect nuclear radiation?
Centrifuge
Van de Graaff generator
Linear Accelerator
Geiger counter
2
In which part of the EM spectrum does a photon have the most energy?
infrared
violet
red
ultraviolet
3
An isotope has a half-life of 20 hours. How much of a 22g sample will remain after 80 hours?
11 g
2.75 g
5.5 g
1.4 g
4
What is fission?
a heavy nucleus splits into two lighter nuclei
transmutation occurs by emitting 2 beta particles
small nuclei are forced together to create a larger nucleus
an atom is converted from one isotope to another isotope
5
What does Einstein's theory of relativity (E=mc
2
) prove?
energy is emitted or absorbed in photons
source of all energy is the conversion of mass into energy
mass always travels at the speed of light in a vacuum
the energy of a photon is proportional to its frequency
6
Which property of light is explained by light being quantized as a particle?
the photoelectric effect
diffraction
polarization
E=mc2
7
What type of force exists between protons and neutrons in the nucleus of an atom?
magnetic
strong
electrostatic
centripetal
8
To control the fission chain reaction, we have to control the number of what available?
electrons
protons
nutrinos
neutrons
9
What is the biggest factor when considering nuclear waste storage?
half-life of substance
quantity of waste
density of substance
temperature of the surroundings
10
Where is carbon-14 mostly found?
deep space
in the atmosphere
science labs
inside the earth's crust
11
For carbon dating, the material tested must be what type of material?
hydrocarbon
fossil in nature
inorganic
organic
12
Compared to electrostatic forces, nuclear strong forces are....
stronger and of longer distance
weaker and of shorter distance
weaker and of longer distance
stronger and of shorter distance
