Lenses Reviewer 1 PDF
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Ma'am EAA
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Summary
This document contains practice questions on lenses, including questions about refraction, the focal point, convex and concave lenses, and converging and diverging light. The questions are suitable for secondary school students studying optics.
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LENSES REVIEWER 1_ by Ma’am EAA 1. ___ is when light travels through a material and bends. A. Diffraction B. Dispersion C. Mirage D. Refraction 2. The point where the rays meet is known as.... A. Fire B. the focal point...
LENSES REVIEWER 1_ by Ma’am EAA 1. ___ is when light travels through a material and bends. A. Diffraction B. Dispersion C. Mirage D. Refraction 2. The point where the rays meet is known as.... A. Fire B. the focal point C. refraction D. Plane of the lens 3. Is a convex lens thicker or thinner in the middle? A. Thicker B. Thinner 4. Is a concave lens thicker or thinner in the middle? A. Thicker B. Thinner 5. When light waves move from passing through air to passing through a glass lens when happens to them? A. They slow down and change direction B. They speed up and change direction C They maintain the same speed and change direction D. They maintain their same speed and direction 6. How does a concave lens differ from a convex lens? A. A convex lens is another way to describe a plane mirror; a concave lens is curved B. A concave lens is curved inward on both sides; a convex lens is on only one side C. A convex lens has a thick center and thin edges, a concave lens has a thin center and thicker edges D. A convex lens has a thin center and thick edges. a concave lens has a thick center and thinner edges 7. What does the word "diverging" mean? A. to spread apart B. to come together C. parallel D. perpendicular 8. What does the word "converging" mean? A. to separate B. to come together C. parallel D. perpendicular 9. A converging lens is also known as a ____ lens. A. convex B. concave C. double D. refracted 10. A. inverted and smaller B. inverted and larger C. not inverted and smaller D. not inverted and larger