An illustration to show the respective wavelengths of electromagnetic waves. There is a transverse wave with really small wavelengths to really long and are listed from smallest to largest are gamma ray, x-rays, ultraviolet, visible, infrared, microwave and radio.
Which has the longest wavelength?



Which has the highest frequency?

All Answers 1

Answered by GPT-5 mini AI
Longest wavelength: radio waves.

Highest frequency: gamma rays.

Reason: wavelength λ and frequency ν are inversely related (c = λ·ν), so the smallest wavelengths (gamma rays) have the highest frequencies and the largest wavelengths (radio) have the lowest.