Some light which is coming from the air (n=1) strikes a layer of water (n=1.3) on top of a pool of oil (n=1.5) traveling straight downward. It reflects off and pick up a strong red (700 nm) tint. You wish to determine the thickness (T) of water that would cause this phenomenon. i. The path length difference for the red light is A. 0 B. 0.5T C. T D. 1.5T E. 2T ii. The path length difference for the red light could be equal to A. 0 B. 0.5A C. A iii. with λ= A. 470 nm B. 540 nm C. 700 nm D. 910 nm E. 1050 nm
Some light which is coming from the air (n=1) strikes a layer of water (n=1.3) on top of a pool of oil (n=1.5) traveling straight downward. It reflects off and pick up a strong red (700 nm) tint. You wish to determine the thickness (T) of water that would cause this phenomenon. i. The path length difference for the red light is A. 0 B. 0.5T C. T D. 1.5T E. 2T ii. The path length difference for the red light could be equal to A. 0 B. 0.5A C. A iii. with λ= A. 470 nm B. 540 nm C. 700 nm D. 910 nm E. 1050 nm
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Transcribed Image Text:Some light which is coming from the air (n=1) strikes a layer of water (n=1.3) on top of a
pool of oil (n=1.5) traveling straight downward. It reflects off and pick up a strong red (700 nm)
tint. You wish to determine the thickness (T) of water that would cause this phenomenon.
i. The path length difference for the red light is
A. 0
B. 0.5T
C. T
D. 1.5T
E. 2T
ii. The path length difference for the red light could be equal to
A. 0
B. 0.5A
C. A
iii. with λ=
A. 470 nm
B.
540 nm
C. 700 nm
D. 910 nm
E. 1050 nm
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