2.13 Lens Applications

What does a camera use?

• converging lens

• diverging lens

• converging mirror

• diverging mirror

When a camera takes a picture of an object that is further than 2F, the image that is created is

• smaller & up right

• smaller & inverted

• larger & up right

• larger & inverted

When a camera focuses an image, what does that do to the image?

• Focusing an image makes it clearer and sharper.
• Focusing an image enlarges the size of the image.
• Focusing an image distorts the colors.
• Focusing an image makes it darker and blurrier.

In a movie projector, the film (object being projected) is loaded

• farther than 2F away from the lens

• between 2F and F away from the lens

• between F and O from the lens

• a distance of F from the lens

In a movie projector, the film (object being projected) is loaded

• Upright

• Upside Down

When looking at an object through a magnifying lens, the object should be

• between 2F and F

• between F and O

• at 2F

• at F

The image we see when looking through a magnifying lens is

• smaller, upright, and virtual

• larger, upright, and virtual

• larger, inverted, and real

• larger, upright, and real

How many lenses does a compound microscope usually have?

• 1

• 2

• 3

• 4

In a microscope, which lens is closest to the object being looked at?

• objective

• subjective

• eyepiece

• nosepiece

In a microscope, which lens do we look into?

• objective

• subjective

• eyepiece

• nosepiece