In matter, a characteristic property of these things was calculated as (*)
The Klein–Gordon equation generalizes the partial differential equation named for these things, which relates a function's second partial derivatives with respect to time and position. Solitons are examples of these things that move with constant velocity without broadening. In matter, a characteristic property of these things was calculated as (*) Planck's constant over momentum by Louis de Broglie. When two of these things with similar frequencies overlap, they exhibit beats. Those that do not transfer energy and have fixed nodes of zero amplitude are called "standing." Young's double-slit experiment showed that light acts as both a particle and—for 10 points—what type of time-varying oscillation?
The Klein–Gordon equation generalizes the partial differential equation named for these things, which relates a function's second partial derivatives with respect to time and position.
waves [accept more specific types of waves, such as light waves, sound waves, or water waves; accept wave packets] &lt;SE&gt;