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A double slit experiment is performed with blue light of wavelength 512 nm. The slits are 1.2 mm apart and the screen is 5.4 m from the slits. How far apart are the bright fringes as seen on the screen?

A double slit experiment is performed with blue light of wavelength 512 nm. The slits
are 1.2 mm apart and the screen is 5.4 m from the slits. How far apart are the bright
fringes as seen on the screen?

Grade:12th pass

1 Answers

Unicorn
96 Points
2 years ago
There is a term called fringe width which represents distance (band) between  same intensity location on screen .
 
Fringe width (B) =lambda *D/d
D=distance of screen 
d=distance between slits .
Put value get answer .
 
Do upvote:)

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