Q. If a man’s face is 25 cm in front of concave shaving mirror producing erect image 1.5 times the size of face, focal length of the mirror would be
A. 75 cm
B. 25 cm
C. 15 cm
D. 60 cm
Answer: 75 cm
A. 75 cm
B. 25 cm
C. 15 cm
D. 60 cm
Answer: 75 cm
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