Chapter 30, Problem 18PE

### 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

# (a) Which line in the Balmer series is the first one in the UV part of the spectrum?(b) How many Balmer series lines are in the visible part of the spectrum?(c) How many are in the HV?

To determine

(a)

The first line in the Balmer series in UV spectrum.

Explanation

In UV spectrum, first Balmer series is observed when the transition takes place from 5th to 2nd energy level.

Now, using the formula:1/Î»=R(1/nf2âˆ’1/ni2) , where R = Rydberg Constant, ni= initial level and nfis the final energy level

To determine

(b)

The number of Balmer Series lines in visible part of the spectrum.

To determine

(c)

The number of Balmer Series lines in UV part of the spectrum.

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