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

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1.	How for must a girl standing 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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