n a Young\'s double-slit experiment, a set of parallel slits with a separation o
ID: 2065849 • Letter: N
Question
n a Young's double-slit experiment, a set of parallel slits with a separation of 0.102 mm is illuminated by light having a wavelength of 571 nm and the interference pattern observed on a screen 3.50 m from the slits.(a) What is the difference in path lengths from the two slits to the location of a fourth order bright fringe on the screen?
_____________ µm
(b) What is the difference in path lengths from the two slits to the location of the fourth dark fringe on the screen, away from the center of the pattern?
___________ µm
Explanation / Answer
a)
path difference = m m=0,1,2,3,...
path difference = 3*
= 3*571 nm
= 1.71 m
b)
path difference = (m+(1/2)) m=0,1,2,3,...
path difference = 3.5*
= 3.5*571 nm
= 2.00 m
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.