Distinguish between interference and diffaraction of light.
Explain the diffraction of light by a single slit.
Answers
Constructive interference occurs when the phase difference between the waves is a multiple of 2π, whereas destructive interference occurs when the difference is π, 3π, 5π, etc. Diffraction refers to various phenomena that occur when a wave encounters an obstacle.
The single slit. When light passes through a single slit whose width w is on the order of the wavelength of the light, then we can observe a single slit diffraction pattern on a screen that is a distance L >> w away from the slit. ... All these waves interfere to produce the diffraction pattern.
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Interference of Light
It is the phenomenon that occurs when two light rays meet when travelling along the same medium.
Diffraction of light
If an opaque object on the path of light becomes very small, Light has tendency to bend around it and not to walk in straight line, this effect is known as the diffraction of light.