A ray of light passing through the first principal focus of a convex l

1.	A ray of light passing through the first principal focus of a convex lens __________ after refraction.
A.	emerges without any deviation
B.	emerges parallel to the principal axis
C.	passes through the second principal focus
D.	passes through the center of curvature
Answer» C. passes through the second principal focus

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A ray of light passing through the first principal focus of a convex lens __________ after refraction.

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