Focal Point Lenses

Which of the following best describes the image formed by the lens as the object is moved from position A to position B?

• Inverted and increasing in size

• Erect and increasing in size

• Erect and decreasing in size

• Inverted and decreasing in size

At which location does the object's image appear to be?

• A

• B

• C

• D

Which of the following best describes the image produced by the lens?

• Bigger and real

• Smaller and virtual

• Bigger and upright

• Smaller and inverted

Two light rays from a common point are refracted by a lens. A real image is formed when these two refracted rays do which of the following?

• Diverge and appear to come from a single point

• Converge to a single point

• Travel in parallel paths

• Totally reflect inside the lens

What does the word "converging" mean?

• to separate
• to come together
• parallel 
• perpendicular

When an object is placed on the focal point in front of a convex lens, the image produced is ___.

• real, reduced, and inverted
• real, enlarged, and inverted
• real, true, and inverted
• There is no image

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

What does the word "diverging" mean?

• to spread apart
• to come together
• parallel
• perpendicular

Images produced by a diverging lens are always _____.

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

What is the angle of refraction?

• The angle which light bounces of an object?
• The angle which light changes direction
• The angle of which light enters an object

Tags

NGSS.MS-PS4-2