Consider the following statements:1. Atom bomb is based upon the principle of uncontrolled nuclear fusion.2. Hydrogen bomb is based upon the principle of uncontrolled nuclear fission.3. Nuclear reactor is based upon the principle of controlled nuclear fission. Which of the statements given above is/are correct?

Modern physics is a branch of physics that deals with the post-Newtonian concepts in the world of physics. It is based on the two major breakthroughs of the twentieth century: Relativity and Quantum Mechanics. Quantum effects typically involve distances related to atoms.