What do you know about lenses?
Lenses and Visible Light Quiz
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Question 1 of 10Question 1
Match each lens type to its image characteristic.
- Can produce a real or virtual image
- Always produces a virtual image
- Reflection from a smooth surface
- Convex lens
- Concave lens
- Specular reflection
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Question 2 of 10Question 2
Use some of the following answers to fill in the blanks:
Refraction, reflection, convex, concave-
A lens forms an image by .
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Question 3 of 10Question 3
What is the principal focus of a lens?
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Question 4 of 10Question 4
Select all correct characteristics of a concave lens.
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Question 5 of 10Question 5
Use some of the following answers to fill in the blanks:
Wavelength, frequency, colour, reflection-
Each colour within the visible spectrum has its own narrow band of and .
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Question 6 of 10Question 6
Match each type of reflection to its characteristic.
- Involve light bouncing off surfaces
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- Both types
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Question 7 of 10Question 7
Arrange the following colours of visible light in order of increasing wavelength.
- Blue
- Red
- Green
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Question 8 of 10Question 8
What is the formula for magnification in a lens?
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Question 9 of 10Question 9
Select all characteristics of an opaque object.
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Question 10 of 10Question 10
Use some of the following answers to fill in the blanks:
Black, white, all colours, none-
If an object reflects equally, it appears .
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