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प्रश्न
How is Huygens' adhoc assumption about the backwave assessed?
विकल्प
It is not satisfactory.
It gives the centre of a spherical wavefront.
It is a rigorous wave theory.
It determines the speed of the wave.
MCQ
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उत्तर
The adhoc assumption that backward amplitude is zero is not satisfactory. The absence of the backwave needs a more rigorous justification.
shaalaa.com
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