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```				   Please Explainthe Huygens' Principle.
```

7 years ago

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```										Christian Huygens, a contemporary of Newton's, thought light was a wave and proposed a theory or principle that is still useful in understanding the propagation of waves.

Huygens' Principle is that every point on a wavefront is the source of new wavelets and the new wavefront is the envelope of these wavelets.

As a wave encounters an obstruction - like a slit edge - the new wave bends around this obstruction.

```
7 years ago

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