At which of the following distances from the lens should a slide be placed on a slide projector if f is the focal length of the projector length? - SchoolNGR

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At which of the following distances from the lens should a slide be placed on a slide ...

At which of the following distances from the lens should a slide be placed on a slide projector if f is the focal length of the projector length?

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Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

A Less than f
B Greater than f but less than 3f
C Equal to f
D Equal to 2f
E Greater than 2f

Correct Answer: Option C

Explanation:

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