MCQ
किसी माध्यम के अपवर्तनांक (µ) का मान होता है
  • A
    $\frac{\sin r}{\sin i}$
  • $\frac{\sin i}{\sin r}$
  • C
    $\sin 1 \times \sin r$
  • D
    $\sin i+\sin r$

Answer

Correct option: B.
$\frac{\sin i}{\sin r}$
b

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