Electromagnetic Spectrum

Which of the following electromagnetic waves has the lowest energy?

• gamma ray
• infrared wave
• visible light wave
• microwave

As the frequency of an electromagnetic wave increases, the amount of energy in that wave...

• increases.
• decreases.
• stays the same.

As the frequency of an electromagnetic wave increases the wavelength of that wave...

• increases.
• decreases.
• stays the same.

Which of these colors has the highest frequency?

• red
• orange
• green
• blue

Which of these colors has the least amount of energy?

• red
• orange
• green
• blue

The energy of electromagnetic waves comes in...

• atoms.
• electrons.
• pulsars.
• photons.

Which of the following is a type of high-energy electromagnetic wave?

• visible light
• ultraviolet light
• microwaves
• infrared waves

Which of the following has the longest wavelength?

• microwaves
• visible light
• x-rays
• infrared waves

What is the speed of light?

• 3.00 x 10⁸ m/s
• 6.02 x 10²³ m/s
• 3.00 mph
• 6.626 x 10^-34 m/s

When using the equation c = λν, the units for λ need to be

• miles
• meters
• nanometers
• millimeters