Question

In a Young's double-slit experiment the wavelength of light used
is 469 nm (in vacuum), and the separation between the slits is 2.1
× 10^{-6} m. Determine the angle that locates
**(a)** the dark fringe for which *m* = 0,
**(b)** the bright fringe for which *m* = 1,
**(c)** the dark fringe for which *m* = 1, and
**(d)** the bright fringe for which *m* =
2.

Answer #1

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