# Physics

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A pinhole camera has a small circular aperture of diameter D. Light from distant objects passes through the aperture into an otherwise dark box, falling on a screen at the other end of the box. The aperture in a pinhole camera has diameter D = 0.600 mm. Two point sources of light of wavelength 485 nm are at a distance L from the hole. The separation between the sources is 2.70 cm, and they are just resolved by the camera. What is L?

• Physics - Ken meets Ken -

Hi Ken, I'm Ken, When I looked into "My" history of answers I was surprised to find really great questions there, which I had not posted. If either one of us changes our name that thread will be lost to the changed one. I will happily share this thread with you, so that neither one of us will loose out. :)

• Physics -

bx

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