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  4. A light wave is travelling along -Y direction. For this light wave, which of the following equations of planes may represent its wavefront.

Q. A light wave is travelling along direction. For this light wave, which of the following equations of planes may represent its wavefront.

Wave Optics Report Error

Solution:

As light is travelling along direction or , its wavefront must be parallel to plane as wavefront is always normal to the direction of propagation of light, hence only option can be correct.

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