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प्रश्न
What shortcoming does Huygens' model have?
विकल्प
It makes the wavefront move only towards the source.
It also gives a backwave.
It cannot describe a plane wave.
It cannot give a spherical wavefront.
MCQ
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उत्तर
The model's shortcoming is that its construction also gives a backwave. This requires an explanation for the absence of the backwave.
shaalaa.com
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