There are various free physics courses available online right now. The courses are taught by lecturers with impressive credentials such as Nobel Prizes and field-defining achievements.
Some of the best free online physics courses include Quantum Physics I, Physics 100: Mastering Newton’s Laws of Motion, Fundamentals of Physics I, How Things Work: An Introduction to Physics, Astrophysics: The Violent Universe, Physics: Intro to Electricity & Magnetism, Fundamental Lessons from String Theory, and Understanding Einstein: The Special Theory of Relativity.