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Question
What did Huygens argue about the amplitude of secondary wavelets?
Options
It is zero in all directions.
It is maximum in the forward direction and zero in the backward direction.
It is zero in the forward direction and maximum in the backward direction.
It is maximum in both the forward and backward directions.
MCQ
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Solution
Huygens argued that secondary wavelets have maximum amplitude in the forward direction. He assumed their amplitude is zero in the backward direction.
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