First of all, you can review the physics knowledge of senior one and senior two and find out your weaknesses. Then, you can ask your teacher or classmates for help. In addition, you can take some remedial classes or training classes to better master physics knowledge.
In the process of learning, you should pay attention to the combination of understanding and memory. For some conceptual knowledge, we should deepen our understanding by reading textbooks and reference books. Some formulas and theorems should be mastered through repeated practice.
In addition, you should also pay attention to cultivating the ability to solve problems. When doing physics problems, you should carefully examine the problems, clear your mind, and then solve them step by step. If you encounter a problem that you can't solve, you should ask your teacher or classmates in time.
Finally, in the process of learning, we should keep a good attitude. Don't give up your efforts because of temporary difficulties. As long as you keep studying, I'm sure you can get excellent grades.
In a word, if you want to learn physics well in senior three, you need to review the basic knowledge, consult others, attend remedial classes, pay attention to the combination of understanding and memory, cultivate the ability to solve problems and maintain a good attitude. As long as you work hard, I believe you can achieve excellent results. Come on!