A) \[0.5mm\]
B) \[1.1\text{ }mm\]
C) \[1.5\text{ }mm\]
D) \[2.2mm\]
Correct Answer: B
Solution :
Fringe width \[\beta =\frac{\lambda D}{d}\] \[=\frac{5460\times {{10}^{-10}}\times 0.2}{0.1\times {{10}^{-3}}}\] \[=1.1\times {{10}^{-3}}m=1.1mm\]You need to login to perform this action.
You will be redirected in
3 sec