Electromagnetic radiation

Which color has the highest frequency?

• green

• blue

• red

• yellow

Which color has the longest waves?

• red

• orange

• yellow

• green

Frequency of light is ___ proportional to wavelength.

• directly

• inversely

Which color has the highest energy per photon quanta?

• red

• indigo

• orange

• yellow

The portion of the electromagnetic spectrum that humans can see is called:

• radio waves

• visible light

• gamma rays

• x-rays

The speed of electromagnetic radiation:

• depends on the form of radiation

• is always 3 x 10⁸ m/s, regardless of the type

• decreases as distance increases

• is 6.626 x 10^-34 J x s

Light is:

• a star and a galaxy

• a wave and a particle

• sound and energy

• unable to be measured

A light particle is called a(n):

• electromagnetic wave

• photon

• electron

• atom

Which of the following types of radiation has the shortest wavelength and the highest frequency?

• Radio Waves
• Infrared
• Visible
• X-Rays

A particle of light is called a photon.

• True
• False