Monochromatic Light $\lambda$ = 500 Nm)is Incident on a Soap Bubble (N =

question 34

Multiple Choice

Monochromatic light ( $\lambda$ = 500 nm) is incident on a soap bubble (n = 1.4) that is 50 mm thick.What is the change of phase of the light reflected from the front surface?

• A)0
• B)180\(\degree\)
• C)\(\lambda\)/2
• D) \(\pi\)/2
• E)55\(\degree\)

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