Aplane wave with a wavelength of 500 nm is incident normally ona single slit with a width of 5.0 × 10–6 m. consider waves that reach a point on a far-away screen such thatrays from the slit make an angle of 1.0° with the normal. thedifference in phase for waves from the top and bottom of the slitis:
a) 0
b) 0.55 rad
c) 1.1 rad
d) 1.6 rad
e) 2.2 rad

To solve this exercise it is necessary to use the concepts related to Difference in Phase.

The Difference in phase is given by

Where

Horizontal distance between two points

Wavelength

From our values we have,

The horizontal distance between this two points would be given for

Therefore using the equation we have

Therefore the correct answer is C.

where's the following? you gotta add it to know what the choices are

explanation: