A Plane Wave with a Wavelength of 500 Nm Is

question 18

Multiple Choice

A plane wave with a wavelength of 500 nm is incident normally on a single slit with a width of 5.0 *10^-6 m.Consider waves that reach a point on a far-away screen such that rays from the slit make an angle of 1.0°with the normal.The difference in phase for waves from the top and bottom of the slit is:

• A)0 rad
• B)0.55 rad
• C)1.1 rad
• D)1.6 rad
• E)2.2 rad

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