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The box of a pinhole camera, of length L and has a hole of radius a. It is illuminated by parallel beam of lightof wavelength lambda the spread on the screen ahead is sum of the geometrical spread and spread due to diffraction, the spot will have a minimum diffraction when: the oprions are in the attachment

The box of a pinhole camera, of length L and has a hole of radius a. It is illuminated by parallel beam of lightof wavelength lambda the spread on the screen ahead is sum of the geometrical spread and spread due to diffraction, the spot will have a minimum diffraction when:
 
the oprions are in the attachment

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Grade:12th pass

1 Answers

Rituraj Tiwari
askIITians Faculty 1792 Points
2 years ago
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