25. Which of the following has the lowest frequency? A.Visible light B.Gamma rays C.Xrays D.Ultra violet rays
Option A Solution: The electromagnetic spectrum is generally divided into seven regions, in order of decreasing wavelength and increasing energy and frequency: radio waves, microwaves, infrared, visible light, ultraviolet, X-rays and gamma rays.So among the given options, visible lights has the lowest frequency, while gamma rays has the highest.
