The goal of physics is to understand how things work from first principles. ... Courses in physics reveal the mathematical beauty of the universe at scales ranging from subatomic to cosmological. Studying physics strengthens quantitative reasoning and problem solving skills that are valuable in areas beyond physics.
One good reason to study physics is being able to use the information you learned and being able to apply it in the real world. Such jobs that includes Physics are Ballistic Analysis in the Forensic Science field and virtually every type of engineering job there is. As you can see physics is everywhere and everybody should try to learn some even if it’s just a small amount, It goes a long way.
Answer:Atomic model keep changing because the electrons around the nucleus are not fixed and they keeps rotating or changing their position in valence orbits around the nucleus.
