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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

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BuyFindarrow_forward

College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. If bats emit a chirp at a frequency of 60.0 × 103 Hz and the speed of sound in air is 343 m/s, what is the smallest insect a bat can detect?

To determine
The smallest insect a bat can detect.

Explanation

Given info: The bat detects insects of size approximately equal to one wavelength of its sound. The frequency of a chirp of the bat is 60.0×103Hz . The speed of sound in air is 343ms-1 .

The wavelength of the sound wave is given by,

λ=vf

Substituting f=60.0×103Hz and v=343

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