Explore the concept of free particles in quantum mechanics through this 24-minute video lecture. Delve into the Schrödinger equation solution for free particles, examining plane wave solutions and their implications. Understand the constant probability density and velocity of plane waves, as well as their non-normalizability. Learn about the concept of wave packets as a solution to the limitations of plane waves, providing a more accurate representation of free particles in quantum mechanics. Gain insights into the probabilistic nature of quantum mechanics and the inherent uncertainty in particle position and momentum.