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A Concave Spherical Mirror with a Radius of Curvature of 20

Question 71

Multiple Choice

A concave spherical mirror with a radius of curvature of 20 cm creates a real image 30 cm from the mirror.How far is the object from the mirror?


A) 20 cm
B) 15 cm
C) 7.5 cm
D) 5.0 cm

Correct Answer:

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