MCQ
The phase difference between incident wave and reflected wave is $180^o $  when light ray
  • Enters into glass from air
  • B
    Enters into air from glass
  • C
    Enters into glass from diamond
  • D
    Enters into water from glass

Answer

Correct option: A.
Enters into glass from air
a
(a)When light reflect from denser surface phase change of $\pi $ occurs.

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