Which of the following statement is TRUE of..

Question 1 Report

Which of the following statement is TRUE of ultraviolet, visible and infra-red rays?

they are all electromagnetic waves with the same wavelength

ultra-violet rays have shorter wavelengths than infra-red rays and produce flourescence

infrared rays have shorter wavelength than visible light and produce the sensation of heat

the wavelenghts increase in the sequence: visible, ultra-violet, infra-red