A plane monochromatic light wave with intensity I0 falls normally on an opaque screen with a round
Question:
(a) Is equal to the first Fresnel zone; to the internal half of the first zone;
(b) Was made equal to the first Fresnel zone and then half of it was closed (along the diameter)?
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Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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