Radiation — Unit test Answers

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Which best defines energy?

a type of wave that carries energy through space, where there is almost no matter

a disturbance that carries energy form one place to another through matter and space

the ability to do work

pressing to make more compact

Which of these actions would increase heat transfer between two objects?

establishing their thermal equilibrium

increasing the area of their contact

using objects with similar specific heats

reducing the time of their contact

Which is the correct order of materials in terms of reflectivity, from least to greatest?

brown soil, beige sand, white paper, black asphalt

white paper, beige sand, brown soil, black asphalt

black asphalt, brown soil, beige sand, white paper

beige sand, white paper, black asphalt, brown soil

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