EM Spectrum and Light

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Order types of waves from longest to shortest wavelength

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Physics

12 Terms

1

Order types of waves from longest to shortest wavelength

Radio, Microwave, Infrared, Visible, UV, X-ray, Gamma

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2

Order the colors from longest wavelength (least energy) to shortest wavelength (most energy

R, O, Y, G, B, I, V

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3

Light travels to us form the sun in the form of electromagnetic waves. (true or false)

true

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4

Incandescent light is produced when wood or natural gas is burned.

True

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5

Fluorescent bulbs produce light by a process known as bioluminescence.

False

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6

Green is the color from the electromagnetic spectrum that we see best.

True

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7

X-rays have much more penetrating power than gamma rays.

False

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8

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

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9

Visible light is produced when these move between energy levels of an atom.

            A.  electrons

            B.  protons

            C.  neutrons

            D.  photons

A.  electrons

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10

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

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11

Materials which filter light so only waves in one direction can pass are

            A.  refractors

            B.  polarizers

            C.  deflectors

            D.  prisms

B. polarizers

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12

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

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