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प्रश्न
Draw the sketches to differentiate between plane wavefront and spherical wavefront.
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उत्तर
Sketches representing spherical and plane wavefronts:
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संबंधित प्रश्न
Is the colour of 620 nm light and 780 nm light same? Is the colour of 620 nm light and 621 nm light same? How many colours are there in white light?
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(b) have zero average value
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(d) are mutually perpendicular
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