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Two wave-fronts intersect each other.

(a) True

(b) False

I had been asked this question in semester exam.

I'd like to ask this question from Wave Optics in division Wave Optics of Physics – Class 12

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Right choice is (b) False

For explanation: No, this statement is false. If they intersect, then there will be two rays or two directions of propagation of energy at the point of intersection which is not possible. Therefore, two wave-fronts do not intersect with each other.

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