HSC Science (Electronics) 12th Board ExamMaharashtra State Board
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Explain Two Types Of Diffraction of Light. - HSC Science (Electronics) 12th Board Exam - Physics

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Question

Explain two types of diffraction of light.

Solution

The diffraction phenomenon is classified into two types:
1. Fraunhofer diffraction: The source of light and the screen on which the diffraction pattern is obtained are effectively at infinite distance from the diffracting system. In this case, we consider plane wavefront. The diffraction pattern is obtained by using a convex lens.
2. Fresnel diffraction: The source of light and the screen are kept at finite distance from the diffracting system. In this case, we consider a cylindrical or spherical wavefront.

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APPEARS IN

 2015-2016 (March) (with solutions)
Question 5.1 | 2.00 marks
Solution Explain Two Types Of Diffraction of Light. Concept: Fraunhofer Diffraction Due to a Single Slit.
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