Draw a neat labelled diagram of reflection of light from a plane reflecting surface on the basis of wave theory.

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Solution

In the given diagram:
PQ-Plane mirror, AM and CN-Normal to PQ
AB- Incident wavefront
$i$ -Angle of incidence
CD-Reflected wavefront
$r$ -Angle of reflection
W-Wavelet originating at A and radius AD $=$ BC

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(a) Plane mirror (b) Incident ray (c) Reflected ray

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. The angle of incident is

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. In terms of corpuscular theory, find the magnitude of the normal pressure exerted on that surface:

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Draw a neat labelled diagram of reflection of light from a plane reflecting surface on the basis of wave theory.

In the given diagram:PQ-Plane mirror, AM and CN-Normal to PQAB- Incident wavefronti-Angle of incidenceCD-Reflected wavefrontr-Angle of reflectionW-Wavelet originating at A and radius AD=BC

In the given diagram:
PQ-Plane mirror, AM and CN-Normal to PQ
AB- Incident wavefront
$i$ -Angle of incidence
CD-Reflected wavefront
$r$ -Angle of reflection
W-Wavelet originating at A and radius AD $=$ BC