Concept explainers
(a)
Interpretation:
The energy of light with a wavelength of
Concept introduction:
The Plank-Einstein equation gives the measure of the energy of an

Answer to Problem 15.6P
The energy of light with a wavelength
Explanation of Solution
The expression for the energy by Plank-Einstein equation is shown below.
Where,
•
•
•
•
The wavelength is given as
The relation between nm and m is given below.
The conversion of
Now, substitute the values of
The energy in
Therefore, the energy of light for the given wavelength (
The energy of light is
(b)
Interpretation:
The energy of light with a wavelength
Concept introduction:
The Plank-Einstein equation gives the measure of the energy of an electromagnetic wave. The expression for Plank-Einstein equation is given below.

Answer to Problem 15.6P
The energy of light with a wavelength
Explanation of Solution
The expression for the energy by Plank-Einstein equation is shown below.
Where,
•
•
•
•
The wavelength is given as
The relation between nm and m is given below.
The conversion of
Now, substitute the values of
The energy in
Therefore, the energy of light for the given wavelength (
The energy of light is
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Chapter 15 Solutions
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