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- 1. Multiple ChoiceConvex Mirrors produce...only virtual imagesvirtual or real imagesonly real imagesinverted images
- 2. Multiple Choice
a real image...
is produced by virtual rays and can be projected on a screen
is produced by real rays and cannot be projected on a screen
is produced by virtual rays and cannot be projected on a screen
is produced by real rays and can be projected on a screen
- 3. Multiple ChoiceAn incident ray that is parallel to the principal axis...will reflect parallel to the principal axiswill refract through the focal pointwill reflect through the center of curvaturewill continue along the same path through the lens
- 4. Multiple Choice
Mirrors that bulge out are called:Concave mirrorsConvex mirrors - 5. Multiple Choice
Which picture represents what happens when light travels through a CONVERGING lens?
A- left picture
B - Right picture
- 6. Multiple ChoiceTrue or False:
We see colors because those colors are reflected back to our eyes.TrueFalse - 7. Multiple Choice
An object is located 30 cm from a concave mirror. The mirror forms a real image at a distance of 20 cm. What is the focal length of this mirror?
13.5 cm
0.0833 cm
12.0 cm
8.7 cm
- 8. Multiple ChoiceSpeed of light in a vacuum isrepresented by the symbol "c"3.00 X108 m/sboth answers are correct
- 9. Multiple Choice
this is an example of
refraction
diffraction
infraction
reflection
- 10. Multiple Choice
what type of mirror is this
concave
convex
translucent
plane
- 11. Multiple ChoiceWhich ways does light bend going from air to water?away from the normaltowards the normaldoes not ben
- 12. Multiple ChoiceThe Law of Reflection:
The angle of incidence is _________ the angle of reflectionbigger thanthe same assmaller than - 13. Multiple Choice
Images seen in a plane mirror are always
Upright and Virtual
Upright and Real
Inverted and Virtual
Farther and Virtual
- 14. Multiple ChoiceA magnifying glass is an example of what type of lens?convexconcavemirrorCylinder
- 15. Multiple ChoiceA student placed a pencil in a cup of water. The pencil appears broken because light-always travels in a straight linebends when it passes through watermakes the water in the glass evaporatereflects the pencil on the water's surface
- 16. Multiple ChoiceYou have cool glow-in-the-dark stickers of Mickey Mouse. This is an example offluorescencechemiluminescencephosphorescenceincandescence
- 17. Multiple ChoiceIf frequency increases, wavelength ____increasesdecreasesstays the same
- 18. Multiple Choice
Light produced by an object due to being a very high temperature is called
fluorescent
electric discharge
incandescent
triboluminescence
- 19. Multiple Choice
the larger the index of refraction the ...
larger the critical angle
smaller the critical angle
no change to the critical angle
what?!
- 20. Multiple ChoiceA real image is formed in plane mirror.TrueFalse
- 21. Multiple ChoiceWhich type of mirror magnifies a close up image, like a make-up mirror.ConcaveConvexSpecularPlane
- 22. Multiple Choice
An object is held 9cm from a convex mirror and produces an image 6cm tall that is 4cm away from the mirror. What is the height of the object?
-13.5 cm
13 cm
2.7 cm
-2.7 cm
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