Interpretation : The energy of one photon of infrared radiation is to be calculated.
Concept Introduction : Planck demonstrated mathematically that a body's ability to absorb or emit radiation is inversely related to the frequency of the radiation (v). The formula of energy is given as:
Where
Answer to Problem 72A
The energy of one photon of infrared radiation is
Explanation of Solution
Given information:
The wavelength is
It is known that the value of Planck’s constant is
Planck demonstrated mathematically that a body's ability to absorb or emit radiation is inversely related to the frequency of the radiation (v).
The formula of energy is given as:
Where
To calculate the energy of a photon, substitute the values in the above formula.
The energy of one photon of infrared radiation is
Interpretation : The energy of one photon of ultraviolet radiation is to be calculated.
Concept Introduction : Planck demonstrated mathematically that a body's ability to absorb or emit radiation is inversely related to the frequency of the radiation (v). The formula of energy is given as
Where
Answer to Problem 72A
The energy of one photon of ultraviolet radiation is
Explanation of Solution
Given information:
The wavelength is
It is known that value of Planck’s constant is
Planck demonstrated mathematically that a body's ability to absorb or emit radiation is inversely related to the frequency of the radiation (v).
The formula of energy is given as
Where
To calculate the energy of a photon, substitute the values in the above formula.
The energy of one photon of visible radiation is
Interpretation : The energy of one photon of infrared radiation is to be calculated.
Concept Introduction : Planck demonstrated mathematically that a body's ability to absorb or emit radiation is inversely related to the frequency of the radiation (v). The formula of energy is given as:
Where
Answer to Problem 72A
The energy of one photon of ultraviolet radiation is
As the wavelength value decreases, the energy of the photon increases.
Explanation of Solution
Given information:
The wavelength is
It is known that the value of Planck’s constant is
Planck demonstrated mathematically that a body's ability to absorb or emit radiation is inversely related to the frequency of the radiation (v).
The formula of energy is given as:
Where
To calculate the energy of a photon, substitute the values in the above formula.
The energy of one photon of ultraviolet radiation is
From the results of the energy of different radiation, the energy of one photon is inversely proportional to the wavelength. As the wavelength value decreases, the energy of the photon increases.
Chapter 5 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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