Depends on the "object" and the frequency of the "light." All light waves can go through SOME objects, and some are stopped by an object that others can go right through. Radio waves can easily go...
Run at the object as fast as you can, close your eyes, and believe with all your might that you will go through it. It has worked for me, so it will work for you.
Because their wavelengths are different. Radio waves are much longer wavelength than light waves. Similar to being able to only hear the deep bass notes of a car radio with the windows rolled up, the...