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Monochromatic Light (λ = 500 Nm) Is Incident on a Soap

Question 4

Multiple Choice

Monochromatic light (λ = 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°
C) λ/2
D) π/2
E) 55°

Correct Answer:

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