Two slits of width a and separation d are illuminated by a beam of light of wavelength $\lambda$.The separation of the interference fringes on a screen a distance D away is:
A)"$\lambda$a/D"
B)"$\lambda$d/D"
C)"$\lambda$D/d"
D)"dD/$\lambda$"
E)"$\lambda$D/a"

Question

Quizplus · Accepted Answer

The Answer of Two slits of width a and separation d are illuminated by a beam of light of wavelength $\lambda$.The separation of the interference fringes on a screen a distance D away is:
A)"$\lambda$a/D"
B)"$\lambda$d/D"
C)"$\lambda$D/d"
D)"dD/$\lambda$"
E)"$\lambda$D/a"

Two Slits of Width a and Separation D Are Illuminated λ\lambdaλ

Two Slits of Width a and Separation D Are Illuminated $\lambda$