Posted by **Farah** on Wednesday, November 3, 2010 at 4:22pm.

Describe how the wavelets that form in the wavefront apparently vanish behind it?

- Physcis - Wavefront and wavelets -
**lkj**, Tuesday, June 10, 2014 at 3:19am
fsdfdaf

- Physcis - Wavefront and wavelets -
**achintya shantanu**, Monday, January 11, 2016 at 1:48pm
Actually to explain the energy propagated by a wave , ther is a proposed obliqiuty factor ,1+cos(theta)=q .

In the case when the backward wavefront is taken the angle becomes 180degrees and as a result q= 0 , it means no energy propagation in the backward direction.

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