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Advanced Physics Homework Help
How to find distance of star using inverse square law
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[QUOTE="cpamieta, post: 3245808, member: 322665"] [h2]Homework Statement [/h2] So i need to calculate the distance of some star the luminosity is 2 Lo and on Earth its seen as .1 Lo [h2]Homework Equations[/h2] I=L/4piR[SUP]2[/SUP] F=L/4piR[SUP]2[/SUP] [h2]The Attempt at a Solution[/h2] I found two formulas, but not sure what to use. The F is flux density, and I am not sure how I would use that to find the distance, flux density is magnetic field right? The other one I found, seems to fix more but not sure What I is. It says its the intensity so I am guessing its what the brightness is seen on Earth so I=.1Lo ? Also how would you figure out the flux density? thanks [/QUOTE]
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How to find distance of star using inverse square law
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