Category: A 16.0 mW helium-neon laser emits a beam of circular cross section with a diameter of 2.40 mm.

A 16.0 mW helium-neon laser emits a beam of circular cross s

A 16.0 mW helium-neon laser emits a beam of circular cross section with a diameter of 2.40 mm.

A 16.0 mW helium-neon laser emits a beam of circular cross s

Posted By Bruce Simons

A 16.0 mW helium-neon laser emits a beam of circular cross section with a diameter of 2.40 mm.

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