In LASIK surgery, a laser is used to reshape the cornea of the eye to improve vision.
Question:
In LASIK surgery, a laser is used to reshape the cornea of the eye to improve vision. The laser produces extremely short
\(\mathbb{N T}\) pulses of light, each containing \(1.0 \mathrm{~mJ}\) of energy.
a. In each pulse there are \(9.7 \times 10^{14}\) photons. What is the wavelength of the laser?
b. Each pulse lasts only \(20 \mathrm{~ns}\). What is the average power delivered to the eye during a pulse?
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Step by Step Answer:
a To find the wavelength of the laser we can use the energy of each photon and the formula relating ...View the full answer
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Douglas Makokha
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Related Book For 
College Physics A Strategic Approach
ISBN: 9780321907240
3rd Edition
Authors: Randall D. Knight, Brian Jones, Stuart Field
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