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Light, Mirrors & Lenses 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!

Page 1

Question 1 1. What does rectilinear propagation mean?

Question 2 2. Shadows have _____.

Question 3 3. What device can demonstrate the rectilinear propagation of light?

Question 4 4. Under what conditions can light bend around corners?

Question 5 5. Light has properties of _____.

Page 2

Question 6 6. In relation to the human eye, what is the definition of accommodation?

Question 7 7. When light focuses in front of the retina and causes difficulty in seeing far away objects clearly, this is called which one of the following?

Question 8 8. As you age, the proteins in the lens can begin to clump together and form a cloudy spot, which we call which one of the following?

Question 9 9. When light focuses behind the retina and causes difficulty in seeing nearby objects clearly, it is called which one of the following?

Question 10 10. Which structure of the eye is responsible for focusing light onto the retina in the eye?

Page 3

Question 11 11. Which of the following describes the images formed by a plane mirror?

Question 12 12. What is a mirror?

Question 13 13. How do you prevent spherical aberration?

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

Question 15 15. Which of the following describes a convex mirror?

Page 4

Question 16 16. What is refraction?

Question 17 17. When light moves between two materials of different densities, it diffracts (bends). What happens when light goes from a lower density material into a higher density material?

Question 18 18. You place saltwater in the bottom of a fish tank, creating a gradient. Why does light curve when it moves through the water?

Question 19 19. What is the law of reflection?

Question 20 20. What is reflection?

Light, Mirrors & Lenses 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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