Wave Optics: Help and Review Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. What is the purpose of a half-silvered mirror?

Question 2 2. Light of wavelength 5.2 x 10^-7 meters is shined through a slit of width 1.6 x 10^-6 meters. Which minima appears at an angle of 77.2 degrees? (Ie 1st order, 2nd order etc.)

Question 3 3. Why does your image in a mirror make it look like you're behind the mirror?

Question 4 4. Which of the following is NOT a real-life use of polarizers?

Question 5 5. Polarized light of intensity 50 Watts per meter squared is shined through a second polarizing filter. If the slits in the filter are at 35 degrees to the polarization of the light, what intensity of light will make it through the second filter?

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Question 6 6. When two troughs hit the screen at the same point, this leads to what?

Question 7 7. Which of the following describes Huygen's Principle?

Question 8 8. What is the meaning of a negative focal length?

Question 9 9. What does a negative image distance indicate?

Question 10 10. In a case of thin-film interference where both rays undergo a phase change, which of the following equations will represent the bright spots (constructive interference)?

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Question 11 11. What does a Michelson Interferometer physically do?

Question 12 12. What does a negative image height tell you?

Question 13 13. You decide to take some measurements on an oil slick on the side of a wet road. You find that the wavelength of a particular color you're interested in is 3.7 x 10^-7 meters, and the thickness of the oil at that pint is 4 x 10^-7 meters. If the light is hitting the puddle at an angle of 55 degrees, and the color you're looking at is a 2nd order maxima, what is the refractive index of the oil?

Question 14 14. What is the definition of a spherical mirror?

Question 15 15. What was the conclusion of Michelson and Morley's experiment?

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Question 16 16. If the lens you are using is concave, what does that tell you about the focal length?

Question 17 17. What is it called when a trough and a peak meet at the screen?

Question 18 18. Suppose we have a CONCAVE lens. A person stands 3 meters away from the lens, the focal length of the lens is 1 meter, and the person's height is 1.2 meters. What are the properties of the image?

Question 19 19. Which of the following is a correct definition of diffraction?

Question 20 20. Which of the following correctly defines 'thin film interference'?

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Question 21 21. What is the definition of the law of reflection?

Question 22 22. If the magnification is calculated to be 0.5 in a particular situation, what does that tell you about the image?

Question 23 23. What is the definition of a mirror?

Question 24 24. Which of these is NOT a feature of Young's Double Slit experiment that made it special and allowed it to be a major discovery?

Question 25 25. A flashlight emitting light of wavelength 12 x 10^-7 meters is shone through slits that are 21 x 10^-7 meters apart. What is the angle to the 2nd minima?

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Question 26 26. An object of height 1 meter is positioned 2 meters in front of a convex mirror. If the convex mirror has a focal length of 4 meters, what are the properties of the image produced?

Question 27 27. What makes a mirror different to the surface of a wall in terms of creating an image?

Question 28 28. Which of the following is NOT an example of thin film interference?

Question 29 29. Which of the following describes the meaning of polarization?

Question 30 30. What's the difference between a real and virtual image?

Wave Optics: Help and Review Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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