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Class 10 Science Medium Mcq English Medium

According to the ray diagram rule for lenses, a ray passing through the principal focus, after refraction from a convex lens, will

Question
According to the ray diagram rule for lenses, a ray passing through the principal focus, after refraction from a convex lens, will
converge back to the same focus
emerge parallel to the principal axis
pass through the optical centre only
be completely absorbed
Answer
emerge parallel to the principal axis
Detailed Explanation
The chapter states that a ray passing through a principal focus, after refraction from a convex lens, emerges parallel to the principal axis.
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