When you start with physics tuition, you should rest assured that the grades would improve with passage of time. It would be the efforts of the tutor of the reputed and reliable agency. The hard work would be reflected in the improvement of your grades largely. They would offer you with clear and precise teaching.
The teaching concepts and strategies of the tutor would help you pick out the mistakes that you would usually make. The tutor would be able to handle your specific concept clearing needs with great patience. Unlike the teachers at school, you would be given requisite understanding and opportunity to enhance your grades.