A laser beam having a wavelength off 660nm delivers 220mW of energy into a circular area of 0.45mm in diameter. Calculate how much energy is delivered into the circular area in 1 ms.
A laser beam having a wavelength off 660nm delivers 220mW of energy into a circular area of 0.45mm in diameter. Calculate how much energy is delivered into the circular area in 1 ms.
Chapter16: Electromagnetic Waves
Section: Chapter Questions
Problem 56P: A small helium-neon laser has a power output of 2.5 mW What is the electromagnetic energy in a 1.0-m...
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