Multiple Choice
A person's face is 30 cm in front of a concave shaving mirror. If the image is an erect image 1.5 times as large as the object, what is the mirror's focal length?
A) 20 cm
B) 30 cm
C) 50 cm
D) 70 cm
E) 90 cm
Correct Answer:
Verified
Correct Answer:
Verified
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