A Lens of Focal Length F Is Used to Project

question 35

Multiple Choice

A lens of focal length f is used to project an image of a solar eclipse onto a flat sheet of paper. To get the clearest image, how far from the lens should be paper be?

• A) f/2
• B) f
• C) 2f
• D) more than 10f
• E) less than f/10

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The price at which a seller is willing to sell a security or asset.

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