Chapter 30, Problem 16PE

### College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000

Chapter
Section

### College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000
Textbook Problem

# Show that the entire Paschen series is in the infrared part of the spectrum. To do this, you only need to calculate the shortest wavelength in the series.

To determine

To prove:

The entire Paschen series is in the infrared part of the spectrum by calculating the shortest wavelength in the series.

Explanation

Given Data:

Given that entire Paschen series is in the infrared part of the spectrum.

Formula Used:

The relationship between the wavelength and energy level is given as

1Î»=R(1nf2âˆ’1ni2)

WhereÎ»= Wavelength

R= Rydberg Constant

nf,ni = Energy levels

Calculation:

We have

â€ƒâ€ƒni=âˆž

â€ƒâ€ƒnf=3

â€ƒâ€ƒR=1.097Ã—107mâˆ’1

Thus, wavelength is calculated as

1Î»=1

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