Lens Optics

A converging lens is also known as a ____ lens.

• convex
• concave
• double
• refracted

What does the word "converging" mean?

• to separate
• to come together
• parallel 
• perpendicular

When an object is placed between the focal point and the convex lens, the image produced is ___.

• real, reduced, and inverted
• real, enlarged, and inverted
• virtual, enlarged, and upright
• virtual, reduced, and upright

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

• Fire
• the focal point
• refraction
• Plane of the lens

This image is.....

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

This image is...

• Inverted and smaller
• inverted and bigger
• not inverted and smaller
• not inverted and bigger

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 images and cannot be projected on a screen
• is produced by real rays and can be projected on a screen

Which describes a convex lens?

• triangular in shape
• more transparent in the middle
• thicker on the edges than in the middle
• thicker in the middle than on the edges

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