Sapling #8 week2-4
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Sapling #8 week2-4
For this question I keep getting it wrong and the Sapling feedback is tell me to find the wavelength by calculating the inverse first? How do I calculate the inverse of 1/λ?
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Re: Sapling #8 week2-4
I think it just wants you to solve for wavelength by making it wavelength=1/r(1/n-1/n2), which would in this case be the inverse.
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Re: Sapling #8 week2-4
I second what Hannah says! Make sure you put an extra pair of parentheses in the denominator when using your calculator.
Re: Sapling #8 week2-4
Hannah Alltucker 2H wrote:I think it just wants you to solve for wavelength by making it wavelength=1/r(1/n-1/n2), which would in this case be the inverse.
Thank you for your reply! How would I convert the inverse into regular wavelength in nm?
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Re: Sapling #8 week2-4
To isolate lambda, you multiply both sides by lambda so that eventually you'll get lambda = 1/(1.0974*10^7 m/s)((1/nf^2)-(1/ni^2). From there, you should be getting the answer in meters which you can then convert to nanometers.
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