b) A parallel monochromatic light (-600nm) falls normally on a circular aperture of diameter 0.12em and is viewed from the opposite side along a line through the center of the hole and normal to its...

b1 A parallel monochromatic light (=600nm) falls normally on a circular aperture of diameter 0.12¢m and is viewed from the opposite side along a line through the center of the hole and normal to its plane. Calculate the three larger distances from the hole at which the intensity is zero.


Extracted text: b) A parallel monochromatic light (-600nm) falls normally on a circular aperture of diameter 0.12em and is viewed from the opposite side along a line through the center of the hole and normal to its plane. Calculate the three larger distances from the hole at which the intensity is zero.