eelebron0905
19.10.2020 •
Physics
Which of the following solar oven design materials would serve as the best insulator to minimize the transfer of thermal energy from the inside of the solar oven to the surroundings?
1.white paper lining the interior
2.metal platform
3.foil on the exterior flap
4.layers of cotton lining the interior
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Ответ:
The presence of helium gas indicates the radioactive sample is most likely decaying by α-decay, or alpha decay. α-decay is the type of radioactive decay in which an atomic nucleus emits α particles. α particles are Helium nuclei. So the correct answer would be α-decay.
hope this helps