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Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 25 - Problem 7q
Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 25 - Problem 7q

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# In attempting to discern distant details, people will

ISBN: 9780130606204 3

## Solution for problem 7Q Chapter 25

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition

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Problem 7Q

Problem 7Q

In attempting to discern distant details, people will sometimes squint. Why does this help?

Step-by-Step Solution:

Step-by-step solution

Step 1 of 2

Concept

The size of the opening of the "stop" is specified by the f -number or f-stop. The f-number can be defined as,

Where the focal length is f and the diameter of the lens opening is D.

Stepping down a lens to a larger f-number indicates a small opening of the lens and the light rays which are coming through the central part of the lens are only accepted.

Step 2 of 2

##### ISBN: 9780130606204

The answer to “In attempting to discern distant details, people will sometimes squint. Why does this help?” is broken down into a number of easy to follow steps, and 14 words. This full solution covers the following key subjects: attempting, details, discern, distant, help. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. The full step-by-step solution to problem: 7Q from chapter: 25 was answered by , our top Physics solution expert on 03/03/17, 03:53PM. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204. Since the solution to 7Q from 25 chapter was answered, more than 387 students have viewed the full step-by-step answer.

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