CH3 - 1 Chapters 3 1- Electromagnetic Spectrum. Properties...

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Chapters 3 1- Electromagnetic Spectrum. Properties of waves. Speed of electromagnetic waves in vacuum. Order of Electromagnetic Spectrum (wavelength increases) Gamma, X-rays, Ultraviolet, Visible, Infrared, Radio. Relation between frequency and period. Questions samples. A neutron star has a frequency of 150 cycles per second (150 revolutions per second). What is the period P or time per revolution? Because of their longer wavelength, radio waves must travel through space faster than infrared light. (True or False?) Relation between the energy of a wave and wavelength or frequency. 2- Radiation Laws. Wien’s Displacement Law. ) ( 2900000 ) ( nm K T λ = Stefan-Boltzmann law. E μ R 2 T 4 (Please notice that this equation has a typo on page 48) More sample questions. Star A is as big as the sun but it emits 81 times the energy emitted by the sun. The surface temperature of this star must be ______ times the sun's s Star “Y” has a surface temperature of 3 800 K and star “Z” a surface temperature of
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This note was uploaded on 10/17/2011 for the course AST 2002 taught by Professor Staff during the Spring '08 term at FAU.

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CH3 - 1 Chapters 3 1- Electromagnetic Spectrum. Properties...

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