Physics, 19.07.2019 19:10, ijohnh14

A40-w lightbulb is 1.9 m from a screen. what is the intensity of light incident on the screen? assume that a lightbulb emits radiation uniformly in all directions (i. e., over 4π steradians). express your answer with the appropriate units.

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A40-w lightbulb is 1.9 m from a screen. what is the intensity of light incident on the screen? assu...