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Rays incident close to the pole and at small angles are called:
ADivergent
BParaxial
CMarginal
DTangential
Answer & Solution
Correct answer: B. Paraxial
1. The treatment assumes rays near the axis.
2. They strike close to the pole of the mirror.
3. Such rays are called paraxial.
_Source: NCERT Class 12 Physics Part II, Chapter 9, Ray Optics and Optical Instruments._
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