Why can the frequencies of radio waves be controlled but not visible light?

Subject: Why can the frequencies of radio waves be controlled but not visible light?

Date: Tue Mar 30 03:31:35 1999
Posted by Paul Apostolik
Grade level: undergrad School: Truett McConnell College
City: Watkinsville State/Province: GA Country: USA
Area of science: Physics
ID: 922786295.Ph

Message:


   It is my understanding that radio waves and visible light are 
all part of the electro-magnetic spectrum, and so it seems to me 
that one could create light by passing an electric current 
through a wire with a frequency equal to that of the desired 
color. Why is this not possible?

Re: Why can the frequencies of radio waves be controlled but not visible light?

Current Queue | Current Queue for Physics | Physics archives

Try the links in the MadSci Library for more information on Physics.