8
AssignmentMultiple Choice

Wave Properties

Question 8 • Crowley Credit Recovery Physics B

Bats use a process called echolocation to find their food. This involves giving out sound waves that hit possible prey or food. When the waves hit an object, they bounce back to the bat, allowing the bat to locate its prey.What type of wave interaction is echolocation?

Answer
A
absorption
B
diffraction
C
reflection
D
refraction

Explanation

Echolocation works when sound waves hit an object and bounce back to the bat. Bouncing waves are an example of reflection, so the correct choice is reflection. Absorption means energy is taken in, while refraction means a wave changes direction as it enters a different material.

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