When considering the electromagnetic spectrum, photons of a radio broadcast have relatively:

When light is refracted through a prism, the following colors are emitted. Which has the longest wavelength?

The principal difference between x-rays and gamma rays is their:

Which of the following most closely represents the term attenuation?

The energy of an x-ray photon is directly proportional to its:

The four properties of photons are ______, ______, ______, and ______.

The intensity of radiation on an object is reduced with distance because the radiation

The lowest energy range of the electromagnetic spectrum is

Electromagnetic energy is similar to sound vibrations, but it is the _____ itself

that is vibrating, not an eardrum or air molecules.

The energy that is vibrating travels in an electromagnetic

The ___ is the height of the wave, A wave with a large amplitude is generally stronger than a wave with a small amplitude.

An important characteristic of light waves, and all electromagnetic energy is wavelength. This is the____ of one wave,

This is the Length of one wave, measured from top of one wave to the___ top of the next wave.

A property of energy created by the vibrations of photons.

A field created by the vibrations of electromagnetic energy.

The height of a wave.

The length of one wave, measured from the top of one wave to the top of the next.

approximately 3 x 10® m/s

The number of waves that go by a given point in one second or cycle.

The range of electromagnetic energy in wavelengths.

The Si unit of measurement for frequency.

intensity of energy diminishes by a factor of the square of the distance from its source.

A type of heat radiation.

a packet/bundle of energy with no mass.

the "bending" of light rays as they pass through one clear medium to another.

the state of an atom when something makes an e- jump to a higher shell.

the condition that occurs when an excited atom returns to its normal state.

photons are stopped by a substance.

photons pass through a substance.

some photons are absorbed, but some are transmitted through a substance.

the property of a substance that totally absorbs light rays.

the property of a substance that partially absorbs, or attenuates, light rays.

the result fast moving electrons striking the atoms of certain metals.

a type of electromagnetic radiation at the high end of the spectrum, originating

in the nuclei of atoms.

the property of a substance that allows x-rays to partially pass through it.

the property of a substance that does not allow x-rays to pass through it.

radiation that has the power to change atoms into ions by knocking out

electrons.

term for radiograph

unit of photon energy

12?

13?

14?

15?

16?

17?