?LasersA carbon dioxide laser used in surgery emits infrared radiation with a wavelength

Chapter 8, Problem 83

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Lasers

A carbon dioxide laser used in surgery emits infrared radiation with a wavelength of \(10.6 \mu \mathrm{m}\). In 1.00 ms, this laser raised the temperature of \(1.00 \mathrm{~cm}^{3}\) of flesh to \(100^{\circ} \mathrm{C}\) and evaporated it. (a) How many photons were required? You may assume that flesh has the same heat of vaporization as water. (b) What was the minimum power output during the flash?

Text Transcription:

10.6 mu m

1.00 cm^3

100 degrees C

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