Grade 10 Optics Review Quiz

Convex Mirrors produce...

• only virtual images
• virtual or real images
• only real images
• inverted images

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

An incident ray that is parallel to the principal axis...

• will reflect parallel to the principal axis
• will refract through the focal point
• will reflect through the center of curvature
• will continue along the same path through the lens

Mirrors that bulge out are called:

• Concave mirrors
• Convex mirrors

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NGSS.HS-PS4-5

Which picture represents what happens when light travels through a CONVERGING lens?

• A- left picture

• B - Right picture

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NGSS.HS-PS4-5

True or False:
We see colors because those colors are reflected back to our eyes. 

• True
• False

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

Speed of light in a vacuum is

• represented by the symbol "c"
• 3.00 X10⁸ m/s 
• both answers are correct

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NGSS.HS-PS4-1

this is an example of

• refraction

• diffraction

• infraction

• reflection

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NGSS.HS-PS4-1

what type of mirror is this

• concave

• convex

• translucent

• plane

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NGSS.HS-PS4-5