Sagot :
Answer: 300 GHz to 400 THz
Infrared (IR) has wavelengths λ between 780 nm and 1 mm, which corresponds to a frequency range from 300 GHz to 400 THz.
Explanation: Hope it helps pa brainliest ty
Answer: 300 GHz to 400 THz
Infrared (IR) has wavelengths λ between 780 nm and 1 mm, which corresponds to a frequency range from 300 GHz to 400 THz.
Explanation: Hope it helps pa brainliest ty