PHYS 121: College Physics 1

Explore the fascinating world of light coherence! In this video, we examine various pairs of light sources to determine their coherence. From candles to reflections in mirrors and soap films, we unravel the concept of coherent light sources.

oin us as we delve into the intriguing world of subatomic particles! In this video, we'll decipher the composition of a system containing 1525 electrons and protons with a net charge of -5.456 x 10^-17 C. Discover the precise number of electrons and calculate the total mass of this dynamic system. Unlock the secrets of particle physics with us!

Explore the intriguing physics of a sandal dropped from a moving ship and learn how to calculate its velocity relative to the ship and a stationary observer on shore.

Discover the key reasons why measurement standards rooted in laboratory procedures offer advantages over standards based on specific objects, like the international prototype kilogram. Dive into the world of metrology and standardization in this informative video.

Explore the fascinating Doppler Effect and how it alters wave frequencies when a source or observer is in motion. Dive into the physics of frequency shift with formulas and practical examples, showcasing the significant impact of source velocity on observable frequencies.