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- 1. Multiple Choice___ is when light travels through a material and bends.DiffractionDispersionMirageRefraction
- 2. Multiple Choice
The point where the rays meet is known as....Firethe focal pointrefractionPlane of the lens - 3. Multiple ChoiceWhich describes a convex lens?triangular in shapemore transparent in the middlethicker on the edges than in the middlethicker in the middle than on the edges
- 4. Multiple ChoiceIs a convex lens thicker or thinner in the middle?ThickerThinner
- 5. Multiple ChoiceIs a concave lens thicker or thinner in the middle?ThickerThinner
- 6. Multiple Choice
When light waves move from passing through air to passing through a glass lens when happens to them?
They slow down and change direction
They speed up and change direction
They maintain the same speed and change direction
They maintain their same speed and direction
- 7. Multiple ChoiceThis diagram best representsreflectionrefractionabsorptiondiffusion
- 8. Multiple ChoiceHow does light travelIt curves around cornersReally slowIn a straight lineIn circles
- 9. Multiple Choice
How does a concave lens differ from a convex lens?
A convex lens is another way to describe a plane mirror; a concave lens is curved
A concave lens is curved inward on both sides; a convex lens is on only one side
A convex lens has a thick center and thin edges, a concave lens has a thin center and thicker edges
A convex lens has a thin center and thick edges. a concave lens has a thick center and thinner edges
- 10. Multiple Choice
A concave lens has an inward curved shape. It refracts light outward from the lens. They light rays spread apart as they exit the lens. Which represents a concave lens?
A
B
A and B
neither A or B
- 11. Multiple ChoiceEcholocation uses which of the following wave characteristics?RefractionReflectionDoppler EffectDiffraction
- 12. Multiple ChoiceWhat does the word "diverging" mean?to spread apartto come togetherparallelperpendicular
- 13. Multiple ChoiceWhat does the word "converging" mean?to separateto come togetherparallelperpendicular
- 14. Multiple ChoiceA converging lens is also known as a ____ lens.convexconcavedoublerefracted
- 15. Multiple Choice
What type of lens do you have in your eye?
Concave
Prismatic
Objective
Convex
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