What does "nm" stand for in the context of the electromagnetic spectrum?

• Nanometer

• Newton meter

• Nautical mile

• Nanosecond

Which color in the visible spectrum has the shortest wavelength?

• Violet

• Red

• Green

• Yellow

What is the unit of frequency in the electromagnetic spectrum?

• Hertz (Hz)

• Joule (J)

• Meter (m)

• Second (s)

Which region of the electromagnetic spectrum has the longest wavelength shown in the diagram?

• Microwaves

• Ultraviolet

• Infrared

• Visible spectrum

As you move from ultraviolet to microwaves on the spectrum, what happens to the wavelength?

• It increases

• It decreases

• It stays the same

• It first increases, then decreases

Which color in the visible spectrum has the longest wavelength?

• Red

• Blue

• Green

• Violet

What is the approximate frequency of violet light in the visible spectrum?

• 7.4 x 10^14 Hz

• 4.0 x 10^14 Hz

• 5.8 x 10^14 Hz

Which of the following is NOT part of the visible spectrum?

• Ultraviolet

• Green

• Yellow

• Red

What happens to the energy as the wavelength increases across the electromagnetic spectrum?

• Energy decreases

• Energy increases

• Energy stays the same

• Energy first increases, then decreases

Which region comes immediately after the visible spectrum as wavelength increases?

• Infrared

• Ultraviolet

• Microwaves

• X-rays