The Lens of a Slide Projector Has a Focal Length $\times$

question 20

Multiple Choice

The lens of a slide projector has a focal length of 10.0 cm.It is used to project the image of a 35 mm slide (24 mm $\times$ 36 mm) on a square screen located 6.0 m away.Of the following screen widths,which is the smallest that would allow the image to fit?

• A) 5.1 m
• B) 4.4 m
• C) 2.2 m
• D) 1.1 m
• E) 0.88 m

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Definitions:

Carbene

A highly reactive molecule featuring a carbon atom with two nonbonded electrons and is bonded to only two other atoms.

Resonance Structures

Different Lewis structures of a molecule or ion that depict the same connectivity but differ in the placement of electrons, contributing to the real structure.

Reaction

A process in which substances interact, leading to the formation of new substances.

Steps

A sequence of actions or methodical process to accomplish an end.