The phenomenon where an electric current is produced by shining a light on a metal plate is called the effect. The minimum frequency required to cause to flow is called the frequency. This frequency depends on the identity of the metal used.

Photoelectric, Threshold

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odds are decent that your handwriting right now looks a little bit different than it did five years ago, and will look different again in five more. when i look back through my notebooks from middle school to now, i see a long, slow progression from meticulous and teeny letters to bigger, sloppier ones, plus a few side detours: sometime in high school, for example, i decided those loopy cursive lowercase f’s were just the coolest, adopting them as the lone rep for cursive in my otherwise all-print handwriting.

explanation: