Most of the energy produced in the Sun is released in the form of visible light from the photosphere. However,

Answer 1

However what? More info please.

If you want us to do your homework for you the least you could do is ask what you want answered.

Answer 2

It's unclear that your statement is even true. Assuming that the Sun is a perfect 5900 K blackbody, I get about 28.9 MW/m^2 between 400 nm and 750 nm.

However, the total radiation is about 68.7 MW/m^2, so the visible energy is slightly less than half of the total.