Distinguish between the phenomenon of interference and diffraction.
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⏺️] Interference =) When two light waves of same frequency travel simultaneously in the same direction then , due to their superposition , the resultant intensity of light at any point in space is different from the sum of intensities of the two waves . At some points the resultant intensity is maximum while at some other points it is minimum .
=) The re-distribution of light intensity due to the superposition of two light waves is called 'interference of light' .
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⏺️] Diffraction =) If an opaque obstacle , or aperture , be placed between a source of light and a screen , a sufficient distinct shadow , or an illuminated region , is obtained on the screen . This shows that light travels approximately in straight lines . If however , the size of obstacle , or aperture , is small , there is a departure from staright-line propagation and the light bends round the corners of the obstacle , or aperture and enters the geometrical shadow .
=) The bending of light round the corners of the obstacles , or apertures , is called 'diffraction' .
_________________________
_________________________
HOPE , IT HELPS ... ✌️
_________________________
_________________________
Here's , Your Answer ...
⏺️] Interference =) When two light waves of same frequency travel simultaneously in the same direction then , due to their superposition , the resultant intensity of light at any point in space is different from the sum of intensities of the two waves . At some points the resultant intensity is maximum while at some other points it is minimum .
=) The re-distribution of light intensity due to the superposition of two light waves is called 'interference of light' .
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⏺️] Diffraction =) If an opaque obstacle , or aperture , be placed between a source of light and a screen , a sufficient distinct shadow , or an illuminated region , is obtained on the screen . This shows that light travels approximately in straight lines . If however , the size of obstacle , or aperture , is small , there is a departure from staright-line propagation and the light bends round the corners of the obstacle , or aperture and enters the geometrical shadow .
=) The bending of light round the corners of the obstacles , or apertures , is called 'diffraction' .
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