Physics 8-6 Convex lenses

This image is.....

• inverted and smaller
• inverted and larger
• not inverted and smaller
• not inverted and larger

Is a convex lens thicker or thinner in the middle?

• Thicker

• Thinner

What type of lens do humans have in their eyes? 

• Concave Lens 
• Convex Lens 

What does the word "converging" mean?

• to separate
• to come together
• parallel 
• perpendicular

The point where the rays meet is known as....

• Convex diverging point

• the focal point

• refraction plane

• Plane of the lens

Describe some features of real images.

• Produced by real rays of light

• Not produced by real rays of light

• Can be projected onto a screen

• Cannot be project onto a screen

Describe some features of virtual images.

• Produced by real rays of light

• Not produced by real rays of light

• Can be projected onto a screen

• Cannot be project onto a screen

An object is placed in each of these 5 locations in front of a convex lens. Which will give an inverted, real image? (select all that apply)

• Beyond 2F (pretty far away)

• At 2F

• Between F and 2F

• At F (the focal point)

• Between F and the lens (very close)

An object is placed in each of these 5 locations in front of a convex lens. Which will give a virtual image? (select all that apply)

• Beyond 2F (pretty far away)

• At 2F

• Between F and 2F

• At F (the focal point)

• Between F and the lens (very close)

An object is placed in each of these 5 locations in front of a convex lens. Which will not produce an image? (select all that apply)

• Beyond 2F (pretty far away)

• At 2F

• Between F and 2F

• At F (the focal point)

• Between F and the lens (very close)