Electromagnetic waves whose photons have the longest wavelengths have:
a: the highest energy
b: the highest frequency
c: the lowest energy
d: the highest speed

Electromagnetic waves whose photons have the longest wavelengths have the lowest energy.

Option C

Explanation:

The waves of electromagnetic radiation through which we get the spectrum, travel with the speed of light. In spite of this fact, we get a specific pattern of radiation. The electromagnetic radiations have a set of waves that have different wavelengths, energy and frequency.

There is a definite relation between the wavelength, energy and frequency of these waves that define their nature. Waves with shorter wavelength have a higher amount of energy and frequency whereas the waves of longer wavelength emit smaller energy and are of lower frequencies.

The spectrum of electromagnetic radiation ranges from gamma waves to radio waves, the former having the shortest wavelength, highest energy, frequency, and the latter one has the exact opposite i.e., the longest wavelength, the smallest amount of energy and lowest frequency.

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