image formation; 1.23 Flashcards
1
Q
how can u see a real image
A
- place ur eyes in the path of the beam and beyond the image.
- project it onto a screen
- sprinkle chalk dust, that will scatter light in all directions(CONV & DIV)
2
Q
how can u see a virtual image
A
- place ur eyes in the path of the beam anywhere beyond the lens.
- smoke (DIV. only)
3
Q
linear magnification (m)
A
size of image over size of object