The image of a flower on a 35-mm color slide is 2.00 mm high. It is to be projected onto a screen 5.00 m from the slide, and it is to appear 50.0 cm high. The focal length of the lens used is
A) 1.99 m.
B) 2.00 m.
C) 2.01 m.
D) 502 m.
E) 498 m.

Question

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The Answer of The image of a flower on a 35-mm color slide is 2.00 mm high. It is to be projected onto a screen 5.00 m from the slide, and it is to appear 50.0 cm high. The focal length of the lens used is
A) 1.99 m.
B) 2.00 m.
C) 2.01 m.
D) 502 m.
E) 498 m.

The Image of a Flower on a 35-Mm Color Slide