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Question
In Fraunhoffer diffraction experiment, L is the distance between the screen and the obstacle, b is the size of the obstacle and λ is the wavelength of the incident light. The general condition for the applicability of Fraunhoffer diffraction is ______.
Options
`b^2/(Llambda) > > 1`
`b^2/(Llambda) = 1`
`b^2/(Llambda) < < 1`
`b^2/(Llambda) ≠ 1`
MCQ
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Solution
In Fraunhoffer diffraction experiment, L is the distance between the screen and the obstacle, b is the size of the obstacle and λ is the wavelength of the incident light. The general condition for the applicability of Fraunhoffer diffraction is `underlinebb(b^2/(Llambda) < < 1)`.
Explanation:
The general condition for Fraunhoffer diffraction is,
`b^2/(Llambda) < < 1`
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Diffraction of Light
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