Physics
Order types of waves from longest to shortest wavelength
Radio, Microwave, Infrared, Visible, UV, X-ray, Gamma
Order the colors from longest wavelength (least energy) to shortest wavelength (most energy
R, O, Y, G, B, I, V
Light travels to us form the sun in the form of electromagnetic waves. (true or false)
true
Incandescent light is produced when wood or natural gas is burned.
True
Fluorescent bulbs produce light by a process known as bioluminescence.
False
Green is the color from the electromagnetic spectrum that we see best.
True
X-rays have much more penetrating power than gamma rays.
False
Which of these is not a type of electromagnetic wave?
           A. radio wave
           B. gamma rays
           C. nuclear fusions
           D. ultraviolet rays
C. nuclear fusions
Visible light is produced when these move between energy levels of an atom.
           A. electrons
           B. protons
           C. neutrons
           D. photons
A. electrons
The lens of the eye is an example of
           A. a concave lens
           B. a prism
           C. a convex lens
           D. a polarized lens
C. a convex lens
Materials which filter light so only waves in one direction can pass are
           A. refractors
           B. polarizers
           C. deflectors
           D. prisms
B. polarizers
What kind of process is the mixing of primary colors of light to produce other colors?
           A. refractive
           B. diffractive
           C. subtractive
D. additive
d. additive