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1) A 100 W lightbulb produces 5.0 W of visible light. (The other 95W are dissipated as heat and infrared radiation.) What is the light intensity on a...

1) A 100 W lightbulb produces 5.0 W of visible light. (The other 95W are dissipated as heat and infrared radiation.) What is the light intensity on a wall 2.2 m away from the lightbulb?2)A krypton laser produces a cylindrical red laser beam 2.0mm in diameter with 5.0 W of power. What is the light intensity on a wall 2.5 m away from the laser?

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