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At most, how many bright fringes can be formed on either side of the central bright fringe when light of wavelength 640

Posted: Mon May 16, 2022 8:50 pm
by answerhappygod
At most, how many bright fringes can be formed on either side of
the central bright fringe when light of wavelength 640 nm falls on
a double slit whose slit separation is 3.59×10-6 m?