Bats Can Detect Small Objects Such as Insects That Are

question 48

Multiple Choice

Bats can detect small objects such as insects that are of a size on the order of a wavelength. If bats emit a chirp at a frequency of 60 kHz and the speed of soundwaves in air is 330 m/s, what is the smallest size insect they can detect?

• A) 1.5 mm
• B) 3.5 mm
• C) 5.5 mm
• D) 7.5 mm
• E) 9.8 mm

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Definitions:

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