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What is the direction of the refracted ray relative to the refracted wavefront?

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Question

What is the direction of the refracted ray relative to the refracted wavefront?

Options

  • Opposite to the incident wavefront

  • Tangent to the refracted wavefront

  • Normal to the refracted wavefront

  • Along the interface

MCQ
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Solution

A ray is normal to its corresponding wavefront. Thus, the refracted ray is normal to the refracted wavefront \[CE\].

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