Optics Question 840

Question: The phase difference between incident wave and reflected wave is $ 180{}^\circ $ when light ray

Options:

A) enters into glass from air

B) enters into air from glass

C) enters into glass from diamond

D) enters into water from glass

Show Answer

Answer:

Correct Answer: A

Solution:

[a] When light reflects from denser surface phase change of $ \pi $ occurs.



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