Energy of a photon : E = hf The photoelectric effect works like this. If you shine light of high enough energy on to a metal, electrons will be emitted from the metal. Light below a certain threshold frequency, no matter how intense, will not cause any electrons to be emitted.
The Boogie Board Jot 8.5 is an uber-slim slate with a black 8.5â³ screen. The stylus clicks into the opening under the screen. When you use the stylus it writes on the screen in a bright green color. The company claims this board is 50% brighter than their previous Jot model.
California King Platform Beds. California king platform beds, also called Cal king platform beds or California king size platform beds, are often modern and contemporary and one of the most popular styles of bedroom furniture today. A California king platform bed does not require a box spring as the mattress rests on California king platform bed frame slats.