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Unit - 5.4 Dispersion Of Light By A Prism — PHYSICS STD 8 — Question

ICSE BoardEnglish MediumSTD 8PHYSICSUnit - 5.4 Dispersion Of Light By A Prism1 Mark
MCQ
When the refraction takes place through an equilateral prism:
  • A
    ∠A + ∠i = ∠D + ∠e
  • B
    ∠A + ∠e = ∠D + ∠i
  • ✓
    ∠A + ∠D = ∠i + ∠e
  • D
    none of these
✓

Answer

Correct option: C.
∠A + ∠D = ∠i + ∠e
C

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