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

question 51

Multiple Choice

Monochromatic light ( $\lambda$ = 500 nm) is incident on a soap bubble (n = 1.40) .How thick is the bubble (in nm) if destructive interference occurs in the reflected light?

• A)102
• B)179
• C)54
• D)1
• E)89