17
RCMultiple Choice

Unit Test — Cumulative exam

Question 17 • 3262 CR Physics B 25/26

What best explains why a person can become sunburned by spending too much time at the beach?

Answer
A
Sunlight is an electromagnetic wave that gains energy as it travels through air to reach the person.
B
Sunlight is an electromagnetic wave carrying energy that is absorbed by the skin.
C
Sunlight is a mechanical wave that vibrates the skin particles to produce heat.
D
Sunlight is a mechanical wave, and its frequency matches the natural frequency of skin to make heat.
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