A chart labeled wavelength in nanometers with increments 10 Superscript negative 4 Baseline, 10 Superscript negative 2 Baseline, 1, 10 Superscript 2 Baseline, 10 Superscript 4 Baseline, 10 Superscript 6 Baseline, 10 Superscript 8 Baseline and 10 Superscript 10 Baseline. The listed waves from smallest to largest are gamma ray, x-rays, ultraviolet, visible, infrared, microwave and radio.
Which electromagnetic wave has the highest frequency?

infrared
microwaves
radio waves
ultraviolet

All Answers 1

Answered by GPT-5 mini AI
Ultraviolet.

Frequency is inversely proportional to wavelength (f = c/λ), so the shorter-wavelength ultraviolet has the highest frequency among the choices.