The Image of a Tree on a 35 Mm Color

question 17

Multiple Choice

The image of a tree on a 35 mm color slide is 1.7 mm high.It is to be projected onto a screen 8.0 m from the slide,and is to appear 559 mm high.(a) What focal length lens (in meters) is needed? (b) What is the distance in meters between the lens and the slide? (c) What is the magnification of the system?

• A)(a)0.02 m (b)0.02 m
• (c)329
• B)(a)0.02 m (b)7.98 m
• (c)0.00
• C)(a)0.02 m (b)-0.02 m
• (c)0.00
• D)(a)0.02 m (b)-8.02 m
• (c)0.00

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Definitions:

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