15 A slit illuminated with sodium light is placed 60 cm from a straight edge and the diffraction pattern is observed using a photoelectric cell, 120 cm beyond the straight edge. De- termine the irradiance at (a) 2 mm inside and (b) 1 mm outside the edge of the geometrical shadow. Observation plane A = 589.3 nm %3D +1 mm Straight edge 2 mm 60 cm 120 cm Figure 23 Problem 15.
15 A slit illuminated with sodium light is placed 60 cm from a straight edge and the diffraction pattern is observed using a photoelectric cell, 120 cm beyond the straight edge. De- termine the irradiance at (a) 2 mm inside and (b) 1 mm outside the edge of the geometrical shadow. Observation plane A = 589.3 nm %3D +1 mm Straight edge 2 mm 60 cm 120 cm Figure 23 Problem 15.
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter27: Wave Optics
Section: Chapter Questions
Problem 36PE: (a) Find the maximum number of lines per centimeter a diffraction grating can have and produce a...
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