The condition for two phase reversal constructive interference is given by
2nt = mk ...eqn 1
Where m is the order= 1, k is the wavelength of light = 497 nm = 497*10-9 m and n is the refractive index of oil = 1.40 and t is the thickness of the oil film which is to be calculated.
Using these values in eqn 1, we get
2*1.40*t = 1*497*10-9
t = 497*10-9/2*1.40
= 177.5*10-9 m
= 177.5 nm = 178 nm (approximately)
Hence, thickness of oil film, t = 178 nm
i.e. option 5 is the correct answer.
Question 15 5 pts A thin layer of oil (n = 1.40) floats on the surface...
Question 15 5 pts A thin layer of oil (n = 1.40) floats on the surface of a puddle of water (n = 1.33). One part of the oil film appears bright greenish-blue, i.e. it strongly reflects light with a wavelength in vacuum of 497 nm. What is the smallest nonzero film thickness of the oil film in this region? O 207 nm 89.0 nm O 124 nm 0 249 nm O 178 nm
A thin layer of oil (n = 1.40) floats on the surface of a puddle of water (n = 1.33). One part of the oil film appears bright greenish-blue, i.e. it strongly reflects light with a wavelength in vacuum of 497 nm. What is the smallest nonzero film thickness of the oil film in this region? 207 nm O 89.0 nm 124 nm 249 nm O 178 nm
A thin layer of oil (n = 1.40) floats on the surface of a puddle of water (n = 1.33). One part of the oil film appears bright greenish-blue, i.e. it strongly reflects light with a wavelength in vacuum of 497 nm. What is the smallest nonzero film thickness of the oil film in this region? O 207 nm O 89.0 nm O 124 nm O 249 nm 178 nm
A thin layer of oil (n = 1.40) floats on the surface of a puddle of water (n = 1.33). One part of the oil film appears bright greenish-blue, i.e. it strongly reflects light with a wavelength in vacuum of 497 nm. What is the smallest nonzero film thickness of the oil film in this region? Group of answer choices 207 nm 89.0 nm 124 nm 249 nm 178 nm
A thin layer of oil (n = 1.40) floats on the surface of a puddle of water (n = 1.33). One part of the oil film appears bright greenish-blue, i.e. it strongly reflects light with a wavelength in vacuum of 497 nm. What is the smallest nonzero film thickness of the oil film in this region? 207 nm 89.0 nm O 124 nm O 249 nm O 178 nm
A thin layer of oil (n = 1.40) floats on the surface of a puddle of water (n - 1.33). One part of the oil film appears bright greenish-blue, i.e. it strongly reflects light with a wavelength in vacuum of 497 nm. What is the smallest nonzero film thickness of the oil film in this region? 0 207 nm 89.0 nm O 124 nm O 249 nm O 178 nm
A thin layer of oil (n = 1.40) floats on the surface of a puddle of water (n = 1.33). One part of the oil film appears bright greenish-blue, i.e. it strongly reflects light with a wavelength in vacuum of 497 nm. What is the smallest nonzero film thickness of the oil film in this region? O 207 nm O 89.0 nm O 124 nm O 249 nm O 178 nm
Athin layer of oil (n = 1.40) floats on the surface of a puddle of water (n = 1.33). One part of the oil film appears bright greenish-blue, i.e. it strongly reflects light with a wavelength in vacuum of 497 nm. What is the smallest nonzero film thickness of the oil film in this region? 207 nm O 89.0 nm O 124 nm O 249 nm 178 nm
A thin layer of oil (n = 1.20) floats on the surface of a puddle of water (n = 1.33). One part of the oil film appears bright greenish blue, i.e. it strongly reflects light with a wavelength in vacuum of 497 nm. What is the smallest nonzero film thickness of the oil film in this region? 207 nm 550 nm 458 nm 229 nm 357 nm
0.41 246 Question 15 5 pts Athin layer of oil (n = 1.40) floats on the surface of a puddle of water (n = 1.33). One part of the oil film appears bright greenish-blue, i.e. it strongly reflects light with a wavelength in vacuum of 497 nm. What is the smallest nonzero film thickness of the oil film in this region? 207 nm O 89.0 nm 124 nm 249 nm 178 nm U Question 16 5 pts Use the Bohr...