MCQ
When light wave suffers reflection at the interface from air to glass, the change in phase of the reflected wave is equal to
  • A
    $0$
  • B
    $\left.\frac{\pi}{2} \right\rvert\,$
  • $\pi$
  • D
    $2^\pi$

Answer

Correct option: C.
$\pi$
$\pi$

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