Would be very nice to have one.
There is already a FAQ thread in the General Physics forum that covers all topics. There are so few FAQ entries that there is no need to have multiple versions of it.
Many of the FAQ questions do pertain to QM topics, in particular photons. How about if we install a sticky post in the Quantum Physics forum that simply links to the FAQ? It might lead a few more people to the FAQ, without having to duplicate it.
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