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PHYSICS CH6 Light — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9SciencePHYSICS CH6 Light1 Mark
MCQ
When light is going from a denser to a less dense medium, the critical angle is the angle of incidence for which the angle of refraction is
  • A
    48°
  • ✓
    90°
  • C
    42°
  • D
    51°
✓

Answer

Correct option: B.
90°
90°

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