Answer:
4.6x10^-7 m thickness
Explanation:
See attached handwritten document for more details
Answer:
a) 2232nm
b) 2511nm
Explanation:
a) To find the path difference Δl you use the following formula:

m: order of a bright fringe
λ: wavelength of light = 558nm
for m=4:

b) The path difference for the case of destructive interference you have:

m: order of a dark fringe
for m=4:

Answer:
The answer is neutrons and mass number
Explanation: