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-rw-r--r--tutorials/module_4/Spectroscopy problem.md4
1 files changed, 1 insertions, 3 deletions
diff --git a/tutorials/module_4/Spectroscopy problem.md b/tutorials/module_4/Spectroscopy problem.md
index 5252d46..29d26f5 100644
--- a/tutorials/module_4/Spectroscopy problem.md
+++ b/tutorials/module_4/Spectroscopy problem.md
@@ -99,7 +99,7 @@ Calibrate wavelength by converting the length dimension from pixels to nm.
$$
\lambda_p=I+C_1p+C_2p^2+C_3p^3
$$
-- Solve for C1 C2 and C3, use $I=195.54$
+- Solve for C1, C2 and C3, use $I=195.54$
Well-known/defined Hg lines:
@@ -154,5 +154,3 @@ $$
$$
n_{1,2}=\frac{\int_{\lambda_0-\Delta\lambda}^{\lambda_0+\Delta\lambda} I(\lambda)d\lambda}{\frac{1}{4\pi}hv_{1,2}A_{1,2}l}\tag{1}
$$
-
-| \ No newline at end of file