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State the essential condition for diffraction of light to take place. Use Huygen's principle to explain diffraction of light due to a narrow single slit and the formation of a patern of fringes obtained on the screen. Sketch the pattern of fringes formed due to diffraction at a single slit showing variation of intensity with angle . ?

priya singh , 11 Years ago
Grade 12
anser 1 Answers
Saurabh Koranglekar

Last Activity: 5 Years ago

Diffraction is a phenomenon that occurs when light comes across an object and is obstructed.

The essential condition for diffraction to occur is that the wavelength of light should be comparable to that of the size of the object.

It might also occur if the size of the object is less than the wavelength of light.

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