When dots are placed on a page from a laser printer, they must be close enough so that you do not see the individual dots of ink. To do this, the separation of the dots must be less than Raleigh's criterion. Take the pupil of the eye to be 3.4 mm and the distance from the paper to the eye of 46 cm; find the maximum separation (in cm) of two dots such that they cannot be resolved. How many dots per inch (dpi) does this correspond to?
When dots are placed on a page from a laser printer, they must be close enough so that you do not see the individual dots of ink. To do this, the separation of the dots must be less than Raleigh's criterion. Take the pupil of the eye to be 3.4 mm and the distance from the paper to the eye of 46 cm; find the maximum separation (in cm) of two dots such that they cannot be resolved. How many dots per inch (dpi) does this correspond to?
University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter1: The Nature Of Light
Section: Chapter Questions
Problem 34P: Suppose a man stands in front of a mm-or as show below. His eyes are 1.65 m above the floor and the...
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When dots are placed on a page from a laser printer, they must be close enough so that you do not see the individual dots of ink. To do this, the separation of the dots must be less than Raleigh's criterion. Take the pupil of the eye to be 3.4 mm and the distance from the paper to the eye of 46 cm; find the maximum separation (in cm) of two dots such that they cannot be resolved. How many dots per inch (dpi) does this correspond to?
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