A laser emits a narrow beam of light. The radius of the beam is 3.2 mm, and the power is 1.8 mW. What is the intensity of the laser beam?

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A laser emits a narrow beam of light. The radius of the beam is 3.2 mm, and the power
is 1.8 mW. What is the intensity of the laser beam?
Transcribed Image Text:A laser emits a narrow beam of light. The radius of the beam is 3.2 mm, and the power is 1.8 mW. What is the intensity of the laser beam?
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