29.3.8. In an ideally dark room, a double-slit experiment is carried out using a

Question

29.3.8. In an ideally dark room, a double-slit experiment is carried out using a source that releases one photon at a time at a slow rate. The observation screen in the experiment is replaced with photographic film which provides a recording of the photons striking it over time. After some time has passed, the film is removed and developed into a photograph. What is observed on the photograph?

a) two bright bands that correspond to the two slits

b) an interference pattern

c) a single bright band

d) It’s impossible to guess.

Explanation / Answer

In this case the photons behaves like a wave and in the photograph we have an intererence pattern

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