Solve for Intensity: Easy Formula Manipulation for Finding Intensity

In summary, the conversation is about finding the intensity of something using the equation B = 10log(I/Io), but the person is unsure how to solve for I. They are given a helpful equation by another person, I = Io*10^(B/10), and express understanding.
  • #1
Sucks@Physics
76
0
I'm trying to find the intensity of something. I know the equation is

B = 10log(I/Io)

But how to I solve for I? What would the equation be? For some reason I can't make it work.
 
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  • #2
logarithms

Does this help?
If [tex]a = log(b)[/tex]

then [tex]b = 10^a[/tex]
 
  • #3
No, i still can't ge thte correct equation, i come up with something like (10x10^B)/Io
 
  • #4
Rewrite the equation as
I/I0 = 10^(B/10)
 
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  • #5
Sucks@Physics said:
No, i still can't ge thte correct equation, i come up with something like (10x10^B)/Io

Not quite:
B = 10log(I/Io)
B/10 = log(I/Io)
10^(B/10) = I/Io
I = Io*10^(B/10)
 
  • #6
Thanks, that is kinda tricky, but now i understand it
 
  • #7
From the provided information, Doc Al's equation is correct. You may be using wrong values for your Io and B, or your intensity equation could be incorrect.
 

FAQ: Solve for Intensity: Easy Formula Manipulation for Finding Intensity

Q: What is simple formula manipulation?

Simple formula manipulation is the process of rearranging and simplifying mathematical formulas to solve for a desired variable.

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