Unit4- Reflection, Refraction,- Optics Flashcards
1
Q
Why are sunsets red/ orange?
A
High frequency light is scattered so low frequency (red) is left over
2
Q
Why is the sky blue?
A
Particles in the atmosphere scatter high frequency light
3
Q
Converging lenses (come together)
A
Oval
4
Q
No image if it’s at
A
Focal point
5
Q
Between focal point and mirror
A
Virtual, upright, bigger
6
Q
Between center of curvature and focal point
A
Real, upright, bigger
7
Q
Beyond center of curvature
A
Real, upside down, smaller
8
Q
Doesn’t refract
A
Has low index of refraction
9
Q
Does refract
A
High index of refraction
