Nuclear radiation - Statistics

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This quiz has been taken 32 times
The average score is 16 of 41

Answer Stats

Hint	Answer	% Correct
what is it when large nuclei spontaneously split into two smaller nuclei	fission	100%
which radiation is stopped by a few cm of air or a sheet of paper	alpha	64%
the larger the binding energy per nucleon, the ____ stable the nucleus will be	more	64%
which type of radiation is most ionising	alpha	55%
state 2 nuclear processes which can be used to generate energy	fission	55%
	fusion	55%
which process includes joining 2 nuclei to make a larger one, whilst releasing energy in the process	fusion	55%
which type of radiation is most weakly ionising	gamma	55%
which radiation is emitted when. nucleus has top much energy	gamma	55%
what conditions are needed for nuclear fusion	high temperature	55%
do gamma rays have a charge	no	55%
what are the 2 types of fission	spontaneous	55%
where does nuclear fusion constantly happen	stars	55%
which radiation is emitted when a nucleus has too much mass	alpha	45%
which radiation is stopped by a few mm of aluminium or a metre of air	beta minus	45%
which type of decay is it when a neutron turns into a proton, and releasesan electron and electron antineutrino	beta minus	45%
which decay is it when a proton turns into a neutron, and releases apositron and electron neutrino	beta plus	45%
what does beta minus radiation consist of	electrons	45%
the mass defect is a result of some mass being converted into ______ used to hold the nucleus together	energy	45%
	induced	45%
what does beta plus radiation consist of	positrons	45%
which radiation is emitted when a nucleus has too many neutrons	beta minus	36%
which radiation has 0 range	beta plus	36%
which radiation is emitted when a nucleus has too many protons	beta plus	36%
what is the name for the energy required to hold nucleus togetehr	binding energy	36%
	high density	36%
what is the most stable nucleus	iron	36%
what do you call the energy required to disassemble an atomic nucleus into its constituent protons and neutrons	nuclear binding energy	36%
what is low-level ionizing radiation present in the environment from natural and artificial sources, not caused by deliberate introduction	background radiation	27%
what process can cause an electron to change energy levels	excitation/ionisation	27%
which fission includes absorbing a neutron and splitting into 2 smallernuclei, releasing energy and a neutron	induced	27%
what are the units of the decay constant	inverse time	27%
what is the name given to the difference in mass of the nucleus and the sum of mass of separate constituents	mass defect	27%
what is a measure used to compare the binding energies of differentnuclei	binding energy per nucleon	18%
what does random mean	unpredictable	18%
which radiation travels the fastest and at what speed	gamma at speed of light	9%
what is gamma radiation	high energy electromagnetic radiation	9%
what does spontaneous fission mean	occurs without any external intervention	9%
what absorbs gamma radiation	several inches of lead	9%
how does the mass of a nucleus compare to the sum of themass of its individual constituents?	always less	0%
how do unstable nuclei become more stable	by emitting radiation	0%

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