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watching
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28 Nov 2020
Sereral laser with different are mixed so that their combined light apperars white. This light shines through a double slit onto a screen. John observes that the centre of the pattern on the screen appears ............
What colour fills in the blank, white or red or green or purple?
Sereral laser with different are mixed so that their combined light apperars white. This light shines through a double slit onto a screen. John observes that the centre of the pattern on the screen appears ............
What colour fills in the blank, white or red or green or purple?
4 Aug 2023
SumantLv10
27 Jan 2021
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