Key Terms
The angle of incidence equals the angle of _______, both measured from the _______.
The ratio of light's speed in a _______ to its speed in a given material, determining how much light _______ down.
n₁ sin θ₁ = n₂ sin θ₂, which predicts exactly how much light will _______ when passing between materials.
Occurs when light tries to go from a _______ index material to a _______ index material at an angle exceeding the critical angle.
An image that cannot be _______ on a screen and only exists in your mind's reconstruction of where light rays appear to be coming from.
The distance from a mirror or lens to its focal point, which is _______ the radius of curvature for mirrors.
1/do + 1/di = 1/f, where do is _______ distance, di is _______ distance, and f is focal length.
A lens that is _______ in the middle and brings light rays together, having a _______ focal length.
Measured in _______, it equals 1/f where f is the focal length in _______.
For telescopes, equals the focal length of the _______ divided by the focal length of the _______.