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Kris1120
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Homework Statement
Light of wavelength 473 nm falls on two
slits spaced 0.389 mm apart.
What is the required distance from the slit
to a screen if the spacing between the first and
second dark fringes is to be 6.71 mm?
Answer in units of m.
Homework Equations
sin[tex]\theta[/tex]= m[tex]\lambda[/tex]/d
x=tan[tex]\theta[/tex]*L
The Attempt at a Solution
[tex]\theta[/tex] = sin-1{2*473e-9m / .389e-3 m} = .139336 degrees
L = 6.71e-3 m / tan .139336 = 2.75919