avels from plastic into water with an angle of incidence of 35.4 °. If the angle to refraction is 40.1o, and the refractive index of water is 1.33, what is the refractive index of the plastic? 1.17

Physics for Scientists and Engineers with Modern Physics
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Author:Raymond A. Serway, John W. Jewett
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Chapter36: Wave Optics
Section: Chapter Questions
Problem 41AP: Interference fringes are produced using Lloyds mirror and a source S of wavelength = 606 nm as...
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Light travels from plastic into water with an angle of incidence of 35.4 °. If the angle to refraction is 40.1o, and the refractive index of water is 1.33, what is the refractive index of the plastic?

  1. 1.17
  2. 1.33
  3. 1.70
  4. 1.48
  5. 1.00

 

When 577 nm yellow laser light is passed through two narrow slits, an interference pattern is observed on a screen 1.53 m away. The distance between the central spot and the first-order constructive interference is found to be 4.8 mm. What is the separation between the slits?

  1. 68.5 μm
  2. 48.4 μm
  3. 79.5 μm
  4. 1.81 nm
  5. 184 μm

Correct answers are noted can you explain why?

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