Bats Can Detect Small Objects Such as Insects That Are

question 91

Multiple Choice

Bats can detect small objects such as insects that are of a size approximately that of one wavelength.If bats emit a chirp at a frequency of 60 kHz,and the speed of sound waves in air is 335 m/s,what is the smallest size insect they can detect?

• A)4.6 mm
• B)3.6 mm
• C)5.6 mm
• D)6.6 mm
• E)7.6 mm

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