The helium-neon lasers most commonly used in student physics laboratories have average power outputs of 0.250 mW. (a) If such a laser beam is projected onto a circular spot 2.48 mm in diameter, what is its intensity? 12.945 What is the relationship between power and intensity? Are you given a radius or a diameter? W/m? (b) Find the peak electric field strength. 92.75 What is the relationship between intensity and electric field strength? V/m (c) Find the peak magnetic field strength. 3.3e-8
The helium-neon lasers most commonly used in student physics laboratories have average power outputs of 0.250 mW. (a) If such a laser beam is projected onto a circular spot 2.48 mm in diameter, what is its intensity? 12.945 What is the relationship between power and intensity? Are you given a radius or a diameter? W/m? (b) Find the peak electric field strength. 92.75 What is the relationship between intensity and electric field strength? V/m (c) Find the peak magnetic field strength. 3.3e-8
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The helium-neon lasers most commonly used in student physics laboratories have average power outputs of 0.250 mW.
(a) If such a laser beam is projected onto a circular spot 2.48 mm in diameter, what is its intensity?
12.945
What is the relationship between power and intensity? Are you given a radius or a diameter? W/m?
(b) Find the peak electric field strength.
92.75
What is the relationship between intensity and electric field strength? V/m
(c) Find the peak magnetic field strength.
3.3e-8
What is the relationshin between electric field strength and magnetic field strenath in an electromagneti wave?T
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