Ray Diagrams

Question 1

Object position: Beyond 2F

Answer 1

LOCATION: Between F and 2F
NATURE: Real
UPRIGHT or INVERTED: Inverted
SIZE: Smaller
APPLICATION: Camera

Question 2

Object position: At 2F

Answer 2

LOCATION: At 2F
NATURE: Real
UPRIGHT or INVERTED: Inverted
SIZE: Same size
APPLICATION: Telescope-erecting lens

Question 3

Object position: Between F and 2F

Answer 3

LOCATION: Beyond 2F
NATURE: Real
UPRIGHT or INVERTED: Inverted
SIZE: Larger
APPLICATION: Cinema projector

Question 4

Object position: At F

Answer 4

LOCATION: At infinity
Nature: Real
UPRIGHT or INVERTED: Inverted
SIZE: Larger
APPLICATION: Searchlight

Question 5

Object position: Between F and LENS

Answer 5

LOCATION: On SAME SIDE of lens as object but FURTHER AWAY from LENS
NATURE: Virtual
UPRIGHT OR INVERTED: Upright
SIZE: Larger
APPLICATION: Magnifying glass

Question 6

The image produced by a projector is ENLARGED on the screen. Why must the image itself be real?

Answer 6

Because it can be formed on a screen.

Question 7

If the image of the slide is to be viewed upright how must the object (slide) be placed in the projector?

Answer 7

Upside down.