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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > The box of pin hole camera, of length L, has a hole of radius a. It is assumed that when the hole is illuminated by a parallel beam of light of wavelength lemda the spread of the spot

The box of pin hole camera, of length L, has a hole of radius a. It is assumed that when the hole is illuminated by a parallel beam of light of wavelength lemda the spread of the spot

has a hole of radius a. It is assumed that when the hole is illuminated by a parallel beam of light of wavelength lemda the spread of the spot of length L The box of pin hole camera