Distinguish between the phenomenon of interference and diffraction of light.
|1||Interference is due to superposition of
waves from different wavefronts.
|Diffraction is due to waves coming from
different parts of the same wavefront.
|2||All bright fringes are of equal intensity||Intensity decreases with the order of
|3||Minimum intensity may be zero.||Minimum intensity is not zero.|
|4||Width of the central maximum is same as that of other bright fringes i.e fringe width is same for all fringes including central
|Width of central maximum is broader
than other maxima and it is double the
|5||The waves emitted by two coherent
sources travel in straight line.
|The light waves are bend at the corners and displaced from their straight line path.|
|6||The resolving power of an optical
instrument does not depend on the phenomenon of interference.
|The resolving power of an optical instrument depends on the phenomenon
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- Interference of Light
Solution Distinguish Between the Phenomenon of Interference and Diffraction of Light. Concept: Interference of Light.