Question

what is the meaning of this line

Answer 1

hey!

here is answer

in these lines it is written about. the dual nature of light .

actually light some times behave like the stream of. particles and some times it behave like wave.

quantum mechanics

the study of the particles which is. too small about 10^-32. is known as. quantum mechanics .

here it is written that modern quantum theory..

actually in 1969 max plank said that the energy emit from any star is not infinite and it comes in packets called quanta.

this was the beginning of quantum mechanics. and then it became the most important thing of modern physics

in modern quantum theory. of light
photons has been described and also electrons , protons , positrons , anti - protons etc

hope it helps

thanks