He–Ne lasers are often used in physicsdemonstrations. They produce light of wavelength 633 nm and a powerof 0.500 mW spread over a cylindrical beam 1.00 mm in diameter(although these quantities can vary). What is the intensity of this laser beam?
He–Ne lasers are often used in physicsdemonstrations. They produce light of wavelength 633 nm and a powerof 0.500 mW spread over a cylindrical beam 1.00 mm in diameter(although these quantities can vary). What is the intensity of this laser beam?
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He–Ne lasers are often used in physics
demonstrations. They produce light of wavelength 633 nm and a power
of 0.500 mW spread over a cylindrical beam 1.00 mm in diameter
(
although these quantities can vary). What is the intensity of this
laser beam?
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