Posted by **Trace** on Tuesday, March 8, 2011 at 6:56pm.

I need to derive an error equation for Bohr's model to use in my physics lab this week. I am really bad at calculus, so if anyone can help me that would be really great.

the equation is

(1/lambda)=R[(1/n^2final)-(1/n^2initial)]

I've never had to derive anything like this before. Even if someone could tell me HOW to do it, I'll be happy to do it myself.

Thanks

- physics, error calculation repost -
**bobpursley**, Tuesday, March 8, 2011 at 6:59pm
error in what? I am uncertain of what your goal is.

- physics, error calculation repost -
**Trace**, Tuesday, March 8, 2011 at 8:16pm
Hi Bob, I have to derive the error in the wavelength. I only know how to derive error equations from multiplication or addition/subtraction.

For example, if I needed to derive an arror equation for N=MT it would be deltaN=(deltaM+deltaT)N

So how do I do it for a division question?

- physics, error calculation repost -
**Trace**, Tuesday, March 8, 2011 at 8:17pm
sorry, edit, that would be (deltaM/M + deltaT/T)N

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