Question
Asked Sep 21, 2019
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An electron in a one-dimenstional box requires a wavelength of 618 nm to excite an electron from the n=2 level to the n=4 level. Calculate the length of the box. 

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Expert Answer

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Step 1

It is given that:

Wavelength = 618 nm

Electron is exciting from n = 2 to n = 4 level

Step 2

The energy of an electron in one dimension is represented as follows:

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n2h2 8mL where, n is the energy level h is planck's constant(h =6.626x1034 kgm's1 m is mass of an electron (m = 9.109x 1031 kg L is length of the box

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Step 3

Also, energy can be expressed in terms of Planck’s constant(...

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hc E= (2)

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