Electromagnetic Radiation Worksheet #1

Which of the following has a constant value for all electromagnetic radiation?

• frequency

• mass

• origin

• velocity

• wavelength

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

• high energy and long wavelengths

• high energy and short wavelengths

• high frequency and low energy

• low energy and long wavelengths

• low energy and short wavelengths

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

• blue

• orange

• red

• ultraviolet

• yellow

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

• energy

• frequency

• origin

• velocity

• wavelength

Which of the following most closely represents the term attenuation?

• absorption of x-rays

• deflection of x-rays

• light absorbed in black glass

• light reflected from a mirror

• light transmitted through frosted glass

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

• frequency

• mass

• velocity

• wavelength

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

• size, shape, spin, mass

• frequency, mass, amplitude, wavelength

• frequency, wavelength, velocity, amplitude

• refraction, velocity, spin, amplitude

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

• reduces its velocity.

• increases in wavelength.

• loses its energy.

• is spread out over a greater area.

The lowest energy range of the electromagnetic spectrum is

• sound waves.

• radio waves.

• gamma rays.

• microwaves.

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

that is vibrating, not an eardrum or air molecules.

• Energy

• Wave

• Amplitude

• Wavelength