The maximum number of possible interference maxima for slit separation equal to 1. 8A,, where X is the wavelength of light used, in a Young's double slit experiment is [JEE ONLINE 12-05-2012]
A)zero
B)3
C)infinite
D)5
Correct Answer:
B
Solution :
[b] As and cannot be
or
Hence maximum number of possible interference maxim as, i.e. 3