How for must a girl stand in front of a concave spherical mirror of ra – McqOptions

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1.	How for must a girl stand in front of a concave spherical mirror of radius 120 cm to see an erect image of her face four times its natural size ?
A.	40 cm from the mirror
B.	45 cm from the mirror
C.	50 cm from the mirror
D.	55 cm from the mirror
Answer» C. 50 cm from the mirror

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