Multiple Choice
A person with normal eyesight uses a converging lens of focal length 10 cm. He holds the lens close to his eye to finish an engraving job. At what distance from the job he must hold the lens?
A) -7.1 cm
B) 7.1 cm
C) -30 cm
D) 30 cm
E) 20 cm
Correct Answer:
Verified
Correct Answer:
Verified
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