Fringe width or didstance between bright spot, = ( D ) /d .....................(1)
where = 633 nm is wavelength of laser light used , D = 2.20 m is distance between slits and screen and d = 0.132 mm is the spacing between slits.
= ( 633 10-9 2.2 ) / ( 0.132 10-3 ) = 1.055 10-2 m 1.06 cm
Question 6 (1 point) Laser light of wavelength 633 nm falls onto a double slit with...
Laser light of wavelength 633 nm falls onto a double slit with slit separation 0.132 mm. An interference pattern is observed on a screen 2.20 m away. How far apart are the bright spots on the screen near the middle of the pattern?
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