File talk:Electromagnetic-Spectrum.png

Can sb rotate the pic pls —Preceding unsigned comment added by 115.132.106.168 (talk) 06:56, 17 March 2011 (UTC)

Error in "The electromagnetic spectrum" image
380nm = 7.89*10^14Hz /  750nm = 3.99*10^14Hz  /  299.8 = 1*10^15Hz  /  Frequency 1*10-15Hz is not in visible spectrum ! / Wavelength and frequency measures are erroneously shifted. Softvision (talk) 17:27, 23 July 2009 (UTC)
 * Ask your question here Reference_desk/Science, you'll get a faster response -- penubag  (talk) 18:28, 23 July 2009 (UTC)