EM Spectrum and Light

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