Intensity is how much energy arrives at a surface each second. True or false.
If the surface area increases, there are less more no( less, more, no ) photons hitting per square metre, they are more spread out closer together( more spread out, closer together ).
What is electromagnetic radiation?
Electromagnetic radiation is the transfer of energy from one point to another.
Electromagnetic radiation is how much energy arrives at a surface each second.
Energy is transferred in something called ❌ (small packets of energy).
