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

question 46

Multiple Choice

Monochromatic light ( $\lambda$ = 500 nm) is incident on a soap bubble (n = 1.4) that is 500-nm thick.Calculate the change of phase of the light that penetrates the front surface,reflects from the second surface,and emerges through the first surface as an angle between 0 $\degree$ and 360 $\degree$ ?

• A)280\(\degree\)
• B)160\(\degree\)
• C)220\(\degree\)
• D)100\(\degree\)
• E)290\(\degree\)

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