the 2 parallel slits used for the YDS experiment are 0.5mm apart. the distance from the screen is 1m

Asked by  | 13th Jun, 2008, 11:35: AM

Expert Answer:

d= .5mm=.5 X 10-4m


λ=6000 X 10-10m

now use the formula x = nλD/d , put n=3 for third bright fringe.

or use x = (2n-1)λD/2d ,put n=3 for third dark fringe.

Answered by  | 20th Jul, 2008, 11:52: AM

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