Unit Test — Unit test Answers
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Which type of radiation is the main hazard during radiological procedures?
A
alphaB
betaC
gammaD
positron22
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A fusion reaction takes place between carbon and another element. Neutrons are released, and a different element is formed. The different element is
A
lighter than helium.B
heavier than helium.C
used for energy on Earth.D
radioactive.23
Consider the incomplete equation below If this equation was completed, which statement would it best support?
A
Nuclear fusion produces elements that are heavier than helium.B
Nuclear fusion produces elements that are lighter than helium.C
Nuclear fission produces elements that are heavier than helium.D
Nuclear fission produces elements that are lighter than helium.24
A sample contains 16.75 g of the radioisotope U-236 and 50.25 g of its daughter isotope, Th-232. How long did it take for decay to take place if one half-life of U-236 is 23 million years?
A
46 million yearsB
69 million yearsC
92 million yearsD
115 million years25
What change of energy occurs between the steam generator and the turbine?
A
Chemical energy is converted into nuclear energy.B
Nuclear energy is converted into thermal energy.C
Thermal energy is converted into mechanical energy.D
Mechanical energy is converted into electrical energy.Did you find these answers helpful?
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