In the figure is shown Young’s double slit experiment. Q is the position of the first bright fringe on the right side of O . P is the 11 th fringe on the other side, as measured from Q . If the wavelength of the light used is 
, then 
will be equal to
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
P is the position of 11 th bright fringe from Q . From central position O , P will be the position of 10 th bright fringe.
Path difference between the waves reaching at P = S 1 B =10 λ λ = 10 × × 6000 × × 10 –10 = 6 × × 10 –6 m .
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