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Assuming that 10.0% of a 100-W light bulbs energy output is in the visible range

College Physics for AP® Courses | 1st Edition | ISBN: 9781938168932 | Authors: Gregg Wolfe, Irina Lyublinskaya, Douglas Ingram ISBN: 9781938168932 372

Solution for problem 36 Chapter 29

College Physics for AP® Courses | 1st Edition

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College Physics for AP® Courses | 1st Edition | ISBN: 9781938168932 | Authors: Gregg Wolfe, Irina Lyublinskaya, Douglas Ingram

College Physics for AP® Courses | 1st Edition

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Problem 36

Assuming that 10.0% of a 100-W light bulbs energy output is in the visible range (typical for incandescent bulbs) with an average wavelength of 580 nm, and that the photons spread out uniformly and are not absorbed by the atmosphere, how far away would you be if 500 photons per second enter the 3.00-mm diameter pupil of your eye? (This number easily stimulates the retina.)

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 Lecture 1:  There are 4 fundamental forces in Nature:  1. Gravitational  2. Weak  3. Strong  4. Electromagnetic   Electromagnetism is the underlying force behind most observable phenomena  Electricity (Lightning, electric current)  Magnetism ( Electric Motors, MRI)  Radiation (X-rays, Light)  Chemistry   Electric Charge  Electric charges create electric fields  Electric fields lead to forces on electric charges  Moving electric charges called current create magnetic fields   There are two types of charges:  Positive and Negative  Like charges repel and opposite charges attract  Charge is conserved (cannot be created or destroyed)  Charge is quantized in units of electron charge  e= 1.6 x 10^1Coulombs   Solids often have nuclei arranged in a fixed, periodic pattern  Electrons can be bound or free  When bound it is called an insulator (wood, glass, rubber)  When free it is called a conductor ( metal)  Qnet= (Np-Ne)e    Lecture 2:  Newton’s Third Law says: F 1 on 2= -F 2 on 1  Coulomb’s Law gives the force between point charges:  It lies along the line connecting the charges  Proportional to the magnitude of each charge  Inversely proportional to the separation squared  2  F 1 on 2= K*[(q1*q2)/r ]  Where K is a constant equal to 8.99 x 10 Nm Principle of Superposition  You must consider one pair at a time to figure out the force on a point

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Chapter 29, Problem 36 is Solved
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Textbook: College Physics for AP® Courses
Edition: 1
Author: Gregg Wolfe, Irina Lyublinskaya, Douglas Ingram
ISBN: 9781938168932

The answer to “Assuming that 10.0% of a 100-W light bulbs energy output is in the visible range (typical for incandescent bulbs) with an average wavelength of 580 nm, and that the photons spread out uniformly and are not absorbed by the atmosphere, how far away would you be if 500 photons per second enter the 3.00-mm diameter pupil of your eye? (This number easily stimulates the retina.)” is broken down into a number of easy to follow steps, and 65 words. College Physics for AP® Courses was written by and is associated to the ISBN: 9781938168932. This full solution covers the following key subjects: . This expansive textbook survival guide covers 34 chapters, and 2282 solutions. This textbook survival guide was created for the textbook: College Physics for AP® Courses, edition: 1. The full step-by-step solution to problem: 36 from chapter: 29 was answered by , our top Physics solution expert on 03/09/18, 08:07PM. Since the solution to 36 from 29 chapter was answered, more than 252 students have viewed the full step-by-step answer.

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Assuming that 10.0% of a 100-W light bulbs energy output is in the visible range