Science 8 - Optics Review
Authored by Steven Biss
Science, Physics
7th - 9th Grade
Used 24+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the meaning of opaque?
No light is transmitted through a material
Some light is transmitted through the material and some is reflected off
All light is transmitted through the material
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the meaning of translucent?
No light is transmitted through a material
Some light is transmitted through the material and some is reflected off
All light is transmitted through the material
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the meaning of transparent?
No light is transmitted through a material
Some light is transmitted through the material and some is reflected off
All light is transmitted through the material
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The medical condition of myopia is corrected with
A convex lens
A concave lens
A convex mirror
A concave mirror
Answer explanation
Myopia is when light reflected through the lens of the eye focuses in front of the retina. By dispersing the light slightly more, a concave lens allows light to focus properly ON the retina
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is represented here?
A convex lens
A concave lens
A convex mirror
A concave mirror
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following have the shortest wavelength?
Radio Waves
Microwaves
X-Rays
Gamma Rays
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The imaginary line passing through the centre of the mirror in this diagram is called the:
Normal
Ray
Principal Axis
Line
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