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Physics with MasteringPhysics | 4th Edition | ISBN: 9780321541635 | Authors: James S. Walker
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Four camera lenses have the following focal lengths and

Chapter 27, Problem 6P

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QUESTION:

Problem 6P

Four camera lenses have the following focal lengths and f-numbers:

Lens

Focal length (mm)

f-number

 

A

150

f/1.2

 

B

150

f/5.6

 

C

 35

f/1.2

D

 35

f/5.6

 

Rank these lenses in order of increasing aperture diameter. Indicate ties where appropriate.

Questions & Answers

QUESTION:

Problem 6P

Four camera lenses have the following focal lengths and f-numbers:

Lens

Focal length (mm)

f-number

 

A

150

f/1.2

 

B

150

f/5.6

 

C

 35

f/1.2

D

 35

f/5.6

 

Rank these lenses in order of increasing aperture diameter. Indicate ties where appropriate.

ANSWER:

Step 1 of 4

Here we need to rank the given lenses in the order of increasing aperture diameter.

The aperture diameter is given by,

                                …….1

Where focal length.

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