Chapter 37: Q.1 : Excercises And Problems (page 1081)

What are the wavelengths of spectral lines in the Balmer
series with $n = 6, 8$ and $10$ ?

Short Answer

Expert verified

The wavelengths of spectral lines in the Balmer

series with n $=$ $6$ , $8$ and $10$ are $410.31$ (nm) , $389.03$ (nm) and $379.92$ (nm) respectively..

Step by step solution

Given information

We can use the formula for the balmer series :

$\frac{1}{2^{2}} - \frac{1}{n^{2}} = \frac{91.18 (n m)}{λ} (n = 3, 4, 5, 6 . . . . .)$

$λ = \frac{91.18 (n m)}{\frac{1}{2^{2}} - \frac{1}{n^{2}}} λ_{6} = \frac{91.18 (n m)}{\frac{1}{2^{2}} - \frac{1}{6^{2}}} (s u b s t i t u t e n = 6) λ_{6} = 410.31 n m λ_{8} = \frac{91.18 (n m)}{\frac{1}{2^{2}} - \frac{1}{8^{2}}} (s u b s t i t u t e n = 8) λ_{8} = 389.01 n m λ_{10} = \frac{91.18 (n m)}{\frac{1}{2^{2}} - \frac{1}{10^{2}}} (s u b s t i t u t e n = 10) λ_{10} = 379.92 n m$

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What are the wavelengths of spectral lines in the Balmer
series with $n = 6, 8$ and $10$ ?

Short Answer

Step by step solution

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What are the wavelengths of spectral lines in the Balmerseries with n=6,8and 10?

Short Answer

Step by step solution

Given information

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Physics Textbooks

Scientific Method Physics

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Study anywhere. Anytime. Across all devices.

What are the wavelengths of spectral lines in the Balmer
series with $n = 6, 8$ and $10$ ?