Similar to perceived loudness in hearing, the brightness the human eye and brain perceive for light is logarithmic rather than linear. For example, you do not perceive light that has an intensity of S as being twice as bright as light of intensity S>2. What happens to the perceived brightness of a light bulb if you double the distance from it?
Similar to perceived loudness in hearing, the brightness the human eye and brain perceive for light is logarithmic rather than linear. For example, you do not perceive light that has an intensity of S as being twice as bright as light of intensity S>2. What happens to the perceived brightness of a light bulb if you double the distance from it?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Question
Similar to perceived loudness in hearing, the brightness the
human eye and brain perceive for light is logarithmic rather
than linear. For example, you do not perceive light that has an
intensity of S as being twice as bright as light of intensity S>2.
What happens to the perceived brightness of a light bulb if
you double the distance from it?
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