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Introductory Physics Homework Help
Vector potential and and Intensity of Radiation
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[QUOTE="sid0123, post: 6005897, member: 497164"] [h2]Homework Statement [/h2] Let a charge oscillate on a straight line between -a to +a with a frequency ω and according to the law: κ (x.t) [B]= [/B]κ° sin(πx/a) e^(-iωt) I have to find the following: 1. Vector potential in the dipole approximation 2. Integral of the intensity of radiation [h2]Homework Equations[/h2][h2]The Attempt at a Solution[/h2] First of all, I tried to calculate the dipole using: d = ∫ κ (x.t) x dx After that I calculated vector potential using: [B]A [/B]= 1/(cR) × d(d)/dt But, I worry that my formula is not correct and I may have used the incorrect formula. Then I used the formula for calculating the intensity of radiation: I = (2(second time derivative of dipole)^2) / ( 3c^2) Please guide me! I have picked up this subject after a long time and things have just jumbled up inside my head. [/QUOTE]
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Introductory Physics Homework Help
Vector potential and and Intensity of Radiation
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