How are the energy of infrared, visible light and ultraviolet rays related? And why?
2 answers:
Answer: The correct answer is Option C.
Explanation:
Energy of the Electromagnetic Spectrum is given by the Planck's equation:
Where,
E = Energy of the wave
h = Planck's constant
= Frequency of the wave
And we know that,
where,
c = Speed of light
= Wavelength of the wave
Putting the value of frequency in energy equation, we get:
From the above relation, we get that energy is inversely related to wavelength of the wave.
From the spectra, we know that order of wavelength follows:
Infrared > Visible > UV
So, the order of energy gets reversed and the order becomes:
Infrared < Visible < UV
From the above information, we conclude that the correct option is Option C.
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