I think that the best answer is Albrecht Durer. Durer published books on mathematics and proportions, and additionally he was an artist using the techniques of painting, drawing and printing.
The answer is false. I just had this question and missed it.
Answer: (1) visible light, with wavelengths between 0.4 and 0.8 micrometre, (2) ultraviolet light, with wavelengths shorter than 0.4 micrometre, and (3) infrared radiation, with wavelengths longer than 0.8 micrometre.
Explanation: <em>hope that helps :p</em>
Sound travels in waves with higher frequencies together and lower frequencies spread apart.
