This a photo of a image from a phone camera , we can see that there is a fringe pattern is showing up i want to know is it due to camera being acting as a double slit source or something else ? As this pattern i never read in theory.(Ignore whats written above the background) 
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1https://en.wikipedia.org/wiki/Moiré_pattern – rob Jan 21 '22 at 12:21
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Possible duplicates: https://physics.stackexchange.com/q/417927/2451 , https://physics.stackexchange.com/q/183481/2451 and links therein. – Qmechanic Jan 21 '22 at 12:23
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Thanks @Qmechanic my doubt is cleared , what should i do should i delete it or just leave it and you will make this as duplicate ? – Orion_Pax Jan 21 '22 at 12:30
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Thanks @rob too – Orion_Pax Jan 21 '22 at 12:30