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HUYGENS' PRINCIPLE states that every point on a wavefront acts as a:
ASource of secondary spherical wavelets
BReflector of all incident wave energy
CPolariser of the incident wave
DAbsorber of half the wave energy
Answer & Solution
Correct answer: A. Source of secondary spherical wavelets
Huygens' principle: every point on a wavefront is a source of SECONDARY SPHERICAL WAVELETS. The new wavefront is the envelope of these wavelets. Used to derive Snell's law and reflection.
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