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Khan Academy
Understanding the properties of electromagnetic waves and the electromagnetic spectrum.
Khan Academy
Course: AP®︎/College Physics 2 > Unit 6. Lesson 4: Electromagnetic waves. Electromagnetic waves and the electromagnetic spectrum. Polarization of light.
Khan Academy
Let's explore various graphs of photoelectric experiment, and see how changing intensity and frequency changes the graphs.
Stopping potential vs frequency graph - Khan Academy
Let's explore how the graph of stopping potential vs frequency can be used to calculate the Planck's constant experimentally! From Einstein's photoelectric equation, this graph is a straight line with the slope being a universal constant.
Khan Academy
Practice using the wave speed equation for word problems to find the frequency and wavelength of a wave.
Lesson 16: Light and electromagnetic radiation - Khan Academy
Learn what a photon is and how to determine the energy of a photon as you explore the dual nature of light as both a wave and a particle, known as wave-particle duality. Uncover the concept of quantum mechanics, where light deposits energy in discrete amounts called photons.
Effect of intensity and frequency (practice) | Khan Academy
Let's do some problems to better understand the effect of varying intensity and frequency on saturation current and stopping potential.
Khan Academy
Understand the formulas for observed frequency when the source is moving towards or away from the observer. Apply these concepts to real-world scenarios like the changing pitch of a moving train's horn.