Lenses Quiz Questions

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1. What is the term for when light waves bend upon entering a new medium?

A Deflection B Inflection C Refraction D Reflection

2. Which of the following best describes a converging lens?

A A lens that will cause light rays to bend to a specific focal point B A lens that will cause light rays from a specific focal point to spread out C A lens that causes light rays to scatter

3. Which of the following best describes a diverging lens?

A A lens that will cause light rays from a specific focal point to spread out B A lens that will cause light rays to bend to a specific focal point C A lens that causes light rays to scatter

4. What type of lens is a flat lens?

A Plano B Meniscus C Convex D Concave

5. What type of lens has a center that is thicker than the edges?

A Meniscus B Concave C Plano D Convex

6. What type of lens has a center that is thinner than the edges?

A Concave B Convex C Plano D Meniscus

7. What type of lens has one side that is convex and the other side concave?

A Meniscus B Biconvex C Biconcave D Plano-convex

8. What type of lens has two sides that are both convex?

A Plano-concave B Plano-convex C Biconcave D Biconvex

9. What do we call the distance between the lens and the focal point?

A Focus distance B Focus length C Focus point D Focal length

10. The principal axis is a _______ line drawn through the center of the lens.

A Vertical B 45 degree C All of the above D Horizontal

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