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  3. a). what is the intensity in w/m2 of laser beam us

A). what is the intensity in W/m2 of laser beam used to burn tissue that, when 90%...

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Physics

A).what is the intensity in W/m2 of laser beam used to burn tissuethat, when 90% absorbed, puts 520J of energy into a circular spotof 2 mm in diameter in 4 s?

B). compare this intensity to the average intensity ofsunlight (about 1 kW/m2)
* *intensity of laser/ avg intensity of sunlight=

C). what is the intensity ratio in dB?
intensity ratio is?

Answer & Explanation Solved by verified expert
3.7 Ratings (429 Votes)
AIntensityenergy transmitted per unit area per unittimeEAt where E is the energyA is area t is timeThe given problem says that when 90 of the    See Answer
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