Physics
Physics
Physics
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RADIATION2) Electromagnetic Radiation(Waves/Photons)( Radio waves / Microwaves / Infrared, Visible,and Ultraviolet Light / X-rays / γ-Rays )E = hν = hc/λh: Planck constant (6.625 x 10 -27 ergs /cycle)ν: frequency (Hz=cycle/sec)λ: wavelength (cm) c: speed of light (3 x 10 10 cm/sec)Unit: eV = 1.24 x 10 -4 /λ (cm)