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प्रश्न
Relation between ray and wavefront is ______.
पर्याय
Rays are parallel to wavefront
Rays are at acute angle to wavefront
Rays are tangential to wavefront
Rays are perpendicular to wavefront
MCQ
रिकाम्या जागा भरा
उत्तर
Relation between ray and wavefront is rays are perpendicular to wavefront.
Explanation:
The new wavefront is the forward envelope of the secondary waves, according to Huygens' architecture. Secondary waves are spherical when the speed of light is independent of direction. The rays are perpendicular to the wavefronts at this point.
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