Check out our short quiz on the key concepts in the Thin-film interference unit. Play the quiz if you wish to check how strong your basics are regarding this phenomenon. Thin-film interference is a natural phenomenon that occurs when light waves are reflected from different surfaces of a thin film. Here, you will have to solve a few numerical based on the same concept. Do you think you can do so? Take the test and see for yourself. Good luck!
The reflected light becomes brighter and brighter
The reflected light alternates between dark and bright spots
The reflected light becomes darker and darker
There is no reflected light
None of the Above
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The film reflects some of the light
The film is thin enough so that the refracted ray is close to the reflected ray
The reflected ray changes phase by λ/2
All of the above
None of the Above
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True
False
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True
False
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6.0 X 10^-7 m
1.8 X 10^-6 m
1.1 X 10^-7 m
4.8 X 10^-6 m
None of the Above
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True
False
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True
False
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600nm
483nm
500nm
650nm
None of the Above
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Changes phase by λ/2
Changes phase by λ/3
Changes phase by 3λ/2
Changes phase by λ/4
None of the Above
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