Answer:
a. 600 nm
b. 300 nm
Explanation:
According to the question it is given that there is two flat glass surface that is separated by 150nm air gap
Based on the above information
The computation is shown below
a. The bright thickness is
[tex]t = \frac{\lambda}{2} (m - \frac{1}{2} )\\\\\lambda = \frac{2t}{(m - \frac{1}{2} )} \\\\\frac{2(150)}{(1 - \frac{1}{2} )} \\\\[/tex]
= 600 nm
b. The dark thickness is
[tex]t = \frac{m\lambda }{2} \\\\\lambda = \frac{2t}{m} \\\\\frac{2(150)}{1}[/tex]
= 300 nm
