other questions Flashcards
1
Q
what are the different types if electromagnetic radiation (7)
A
radio waves, microwaves, infrared waves, visible light, ultraviolet radiation, X-rays, and gamma rays.
2
Q
what is the colour order in the visible spectrum of light
A
red, orange, yellow, green, blue, indigo, violet
3
Q
what are the laws of reflection
A
- The angle of incidence equals the angle of reflection.
- The incident ray, the reflected ray, and the normal all lie in the same plane.
4
Q
what are the 4 characteristics used to describe and image
A
size, attitude, location, type