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# When an electron makes a transition from the n = 3 to the ISBN: 9780321910295 34

## Solution for problem 103P Chapter 9

Introductory Chemistry | 5th Edition

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Problem 103P

PROBLEM 103P

When an electron makes a transition from the n = 3 to the n = 2 hydrogen atom Bohr orbit, the energy differ­ence between these two orbits (3.0 × 1019 J) is emitted as a photon of light. The relationship between the energy of a photon and its wavelength is given by E = hc/λ, where E is the energy of the photon in J, h is Planck's constant (6.626 × 10−34 J.s), and c is the speed of light (3.00 × 108 m/s). Find the wavelength of light emitted by hvdroeen atoms when an electron makes this transition.

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Step 1 of 3

Solution 103P

Given :

Electron makes a transition from the n = 3 to the n = 2 hydrogen atom Bohr orbit.

The energy differ­ence between these two orbits emitted as a photon of light=  (3.0 × 1019 J).

The relationship between the energy of a photon and its wavelength is given by :

E = ,

where, E = energy of the photon in J,

h = Planck's constant = 6.626 × 10−34 J.s

c =  Speed of light = 3.00 × 108 m/s.

Wavelength of light emitted by hydrogen atoms when an electron makes this transition = ?

Here, we are given the energy , we have to calculate wavelength ( ) =...

Step 2 of 3

Step 3 of 3

##### ISBN: 9780321910295

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