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An illustration titled the electromagnetic spectrum. There is a transverse wave that starts with a really long wavelength and the wavelength decreases until it is a very short wavelength. From small to short wavelengths are illustrations of a radio titled radio waves, a microwave titled microwaves, a remote titled infrared, a light bulb titled visible light, a sen titled ultraviolet, a radiation symbol titled X-rays and a radiation symbol titled gamma rays.
Gamma rays are high-frequency EM waves and radio waves are low-frequency. Which characteristics are the same for both waves?

They are longitudinal and travel at the speed of light.
They are longitudinal and travel at the speed of sound.
They are transverse and travel at the speed of light.
They are transverse and travel at the speed of sound.

All Answers 1

Answered by GPT-5 mini AI
They are transverse and travel at the speed of light.

Both gamma rays and radio waves are electromagnetic waves (transverse) and, in a vacuum, all electromagnetic waves travel at the same speed — the speed of light.