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Ray tracing for a flat mirror shows that the image is located a distance behind the mirror equal to the distance of the object from the mirror. This is stated $d_{i}=-d_{0},$ since this is a negative image distance (it is a virtual image). (a) What is the focal length of a flat mirror? (b) What is its power?

a) $\infty$b) 0

Physics 103

Chapter 25

Geometric Optics

Reflection and Refraction of Light

Hope College

University of Sheffield

University of Winnipeg

Lectures

02:30

In optics, ray optics is a…

10:00

In optics, reflection is t…

00:24

Ray tracing for a flat mir…

09:12

(a) A concave spherical mi…

04:50

(III) An object is placed …

04:03

01:53

A small postage stamp is p…

03:03

(II) A spherical mirror of…

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(II) An object 3.0 $\mathr…

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When viewed in a spherical…

04:09

(II) A concave mirror has …

01:15

What is the magnification …

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(II) Show, using a ray dia…

16:21

(II) Use two different tec…

01:19

The image of a very distan…

01:35

When an object is placed a…

02:44

A concave mirror produces …

02:24

An object is placed in fro…

14:10

A convex spherical mirror …

00:50

Show that for a flat mirro…

09:36

(II) Use two techniques, (…

05:22

we were right in the middle of formula, which is one of our physical to one over distance to the object, plus one over distance to the image here we have this distance from the object is equal to minus minus. D I minus d I. So playing these values, we get one word F is equal to zero. So this implies that in part a on focal length will be its equal to infinity. So a focal length will be looking into infinity in a bar to be the power off, the lens will be falling off. The lens is given by one word way. See one where Physical zero. So the power off lenses end off the problem. Thank you for watching.

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