Radiation — Quiz

Question 2 • Physical Science

Which best illustrates the way in which radiation transfers thermal energy?

Answer

Image with description A red ball at left labeled warm touches a blue ball labeled cool at right. Straight arrows point from the red ball to the blue ball.

Image with description A red ball at left labeled warm touches a blue ball labeled cool at right. Straight arrows point from the blue ball to the red ball.

Image with description A red ball at left labeled warm does not touch a blue ball labeled cool at right. Curved arrows point from the red ball to the blue ball.

Image with description A red ball at left labeled warm does not touch a blue ball labeled cool at right. Curved arrows point from the blue ball to the red ball.

Explanation

Radiation transfers thermal energy through electromagnetic waves, so the objects do not need to touch. Thermal energy moves from the warmer red ball to the cooler blue ball, as shown by the curved arrows in choice C.

AI-written and checked against the verified answer.

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