Question

10 the ____ of infrared radiation are often felt as heat. longer wavelengths higher temperature higher frequency shorter wavelengths

Explanation:

Infrared radiation with longer wavelengths is often perceived as heat. This is because longer - wavelength infrared radiation has lower frequencies and is more associated with thermal energy compared to shorter - wavelength radiation in the electromagnetic spectrum. Higher temperature is a result of heat, not a characteristic of infrared radiation itself to be felt as heat. Higher frequency and shorter wavelengths are not what are typically felt as heat in the context of infrared.

Answer:

longer wavelengths