It is desired to magnify reading material by a factor of 2.5x when a book is placed 8.0cm behind the lens. a) draw a ray diagram and describe the type of image this would be

aortiH

aortiH

Answered question

2021-01-02

It is desired to magnify reading material by a factor of 2.5x when a book is placed 8.0cm behind the lens. a) draw a ray diagram and describe the type of image this would be. b) what type of lens is needed? c) what is the power the lens in diopters?

Answer & Explanation

comentezq

comentezq

Skilled2021-01-03Added 106 answers

Formula for the magnification is m=(vu)
Image distance is v=mu=(2.5)(8.0)=20cm
The convex lens is used for this purpose.
Lens makers formula is (1f)=(1u)+(1v)
After we ge the value of the focal length.
Now the formula for the power is P=(1f)

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