Infrared radiation has a longer wavelength, ____ frequency, and ____ energy than visible light.
2 answers:
<u>Answer:</u> The correct answer is lower, lower.
<u>Explanation:</u>
The relation between energy and wavelength of light is given by Planck's equation, which is:
.....(1)
where,
E = energy of the light
h = Planck's constant
c = speed of light
= wavelength of light
We also know that:
......(2)
where,
= frequency of light
From equation 1 and 2, we get that wavelength is inversely proportional to energy as well as frequency of the light. So, if the wavelength of light is high, that means energy and frequency will be low.
Hence, the correct answer is lower, lower.
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As you have not provided the options, still we can figure out the answer by understanding the key difference between saturated and unsaturated hydrocarbons.
SATURATED HYDROCARBONS are those hydrocarbons which only consist of a carbon carbon single bonds. All the bonds are sigma there are no pi bonds at all. Examples are shown below.
While, UNSATURATED HYDROCARBONS are those hydrocarbons which may contain either a double bond or triple bonds or both of them between the carbon atoms as shown below.
