8 Postlab Questions 1. Explain the reason behind the concentricity of the interference pattern you ob- served in the experiment. 2. Colour shifting ink used in modern banknotes as a measure against counterfeit notes displays two distinct colours depending on the angle of viewing. Using the concept of thin-film interference, can you explain how this effect is achieved?

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8 Postlab Questions
1. Explain the reason behind the concentricity of the interference pattern you ob-
served in the experiment.
2. Colour shifting ink used in modern banknotes as a measure against counterfeit
notes displays two distinct colours
concept of thin-film interference, can you explain how this effect is achieved?
epending on the angle of viewing. Using the
Transcribed Image Text:8 Postlab Questions 1. Explain the reason behind the concentricity of the interference pattern you ob- served in the experiment. 2. Colour shifting ink used in modern banknotes as a measure against counterfeit notes displays two distinct colours concept of thin-film interference, can you explain how this effect is achieved? epending on the angle of viewing. Using the
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