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Katena32 [7]
3 years ago
14

How are the energy of infrared, visible light and ultraviolet rays related? And why?

Physics
2 answers:
Aliun [14]3 years ago
5 0
Infrared contains the least energy and ultraviolet contains the most energy. The energy of a wave is inversely proportional to its
DedPeter [7]3 years ago
4 0

Answer: The correct answer is Option C.

Explanation:

Energy of the Electromagnetic Spectrum is given by the Planck's equation:

E=h\nu

Where,

E = Energy of the wave

h = Planck's constant

\nu = Frequency of the wave

And we know that,

\nu=\frac{c}{\lambda}

where,

c = Speed of light

\lambda = Wavelength of the wave

Putting the value of frequency in energy equation, we get:

E=\frac{hc}{\lambda}

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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