Imagine a flashlight creates a bright spot 10 meters away with an intensity I = 1W/m. If you shine the flashlight over at something 30 meters, away what is the intensity of the light at the more distance spot?
Imagine a flashlight creates a bright spot 10 meters away with an intensity I = 1W/m. If you shine the flashlight over at something 30 meters, away what is the intensity of the light at the more distance spot?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter16: Waves
Section: Chapter Questions
Problem 79P: A device called an insolation meter is used to measure the intensity of sunlight. It has an area of...
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Imagine a flashlight creates a bright spot 10 meters away with an intensity I = 1W/m. If you shine the flashlight over at something 30 meters, away what is the intensity of the light at the more distance spot?
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