Lesson 3. Refraction and Lenses
Authored by Young Kim
Physics
8th Grade
Used 48+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The change in direction of a wave as it changes speed while moving from one medium to another.
Law of reflection
Transmission
Refraction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A transparent object with at least one curved side that causes light to change direction.
Convex mirror
Concave mirror
Lens
Iphone
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A lens that is thicker in the middle than at the edges.
Plane mirror
Convex lens
Concave lens
Lego
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A lens that is thicker at the edges than in the middle.
Plane mirror
Mirror
Concave lens
Convex lens
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Example of a CONVEX lens...
Magnifying glass
Flashlight lens
iPhone screen
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Example of a CONCAVE lens...
Magnifying glass
Flashlight lens
iPhone screen
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Waves with shorter wavelengths travel at greater speeds and refract less in a material than waves with longer wavelengths.
TRUE
FALSE
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