The Lens Equation Flashcards
1
Q
How can the position of an image formed by a lens be calculated?
A
I / F = I / U + I / V
F = focal length, U = object distance, V = image distance
2
Q
What is a real image?
A
A real image is an image that can be focus onto a screen
3
Q
What is a virtual image?
A
A virtual image is an image formed at the focal point that cannot be focused onto a screen
4
Q
What is a focal point?
A
The point of which rays meet after refraction