Question: Hello, may I get a step-by-step explanation for each? Thank you! A laser emits a narrow beam of light. The radius of the beam is

Hello, may I get a step-by-step explanation for each? Thank you!

A laser emits a narrow beam of light. The radius of the beam is 6.5 mm, and the power is 1.6 mW. What is the intensity of the laser beam? 1? The average intensity of light emerging from a polarizing sheet is 0.722 me2, and that of the horizontally polarized light incident on the sheet is 0.852 W/m2. Determine the angle that the transmission axis of the polarizing sheet makes with the horizontal. Incident Tra n 5m Itted beam beam What fraction of the power radiated by the sun is intercepted by the planet Mercury? The radius of Mercury is 2.44 x 106 m, and its distance from the sun at the moment is 5.33 x 1010 m. Assume that the sun radiates uniformly in all directions. lb

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