Impasto. Hope this helps!
Answer:
200 nm
Explanation:
We need a constructive interference to see the bright reflection
we know that
where m=1 and
is the wavelength of the gasoline
so 
putting the value of m and
in thickness equation

so the thickness of the film will be 200 nm
The answer is No. It doesn't program represent an algorithm in the strict sense. The process described will never terminate because the value of Count will never be 5. It doesn't not represent an algorithm and the process that has been described will never be terminate because the number will never be 5.