Slides Flashcards
When the emitted light is passed through a prism, it is…
separated into 4 specific colors
Electromagnetic radiation:
a form of energy that exhibits wavelike behavior as it travels through space
All forms of electromagnetic radiation form…
the electromagnetic spectrum
James Maxwell…
demonstrated that electric and magnetic fields travel through space as waves moving at the speed of light
electromagnetic spectrum
and arrangement of all electromagnetic waves by decreasing wavelength and therefore increasing frequency
Electromagnetic spectrum order (high energy -low)
Gamma rays, X-rays, UV Rays , Visible light, Infrared, microwave, radio wave
Visible light colors (high energy - low)
VIBGYOR (violet, indigo, blue, green, yellow, orange, red)
Wavelength:
measured crest to crest or trough to trough
Symbol: Greek letter lambda Y)
frequency
of waves that pass a given point in a specific time, usually one sec.
Symbol: Greek letter nu (v)
Frequency measure
cycles/s or Hertz (hz) s-1 or (1/s)
Wavelength and frequency formula
speed of light (c) = wavelength (y) frequency (v)
Photoelectric effect
emission from a metal when light shines in the metal
Formula abt relationship between frequency of a wavelength and energy the radiation contained
E (energy)=h (Planck’s constant) v (frequency)
Planck’s constant
6.626 x 10 -34 JxS
Electron configuration
arrangement of electrons in an atom