Question

question 13 (2 points)
the type of em wave with the lowest energy is a...
o a gamma wave
b x - ray waves
c radio wave
d visible light waves

Explanation:

The energy of an electromagnetic (EM) wave is related to its frequency. The formula for the energy of a photon (a particle of EM radiation) is \(E = h
u\), where \(h\) is Planck's constant (\(h= 6.626\times10^{-34}\space J\cdot s\)) and \(
u\) is the frequency of the wave. Radio waves have the lowest frequency among the given options. Since energy is directly proportional to frequency (\(E\propto
u\)), the wave with the lowest frequency will have the lowest energy. Gamma waves (\(a\)) have very high frequencies (and thus high energy), X - rays (\(b\)) have higher frequencies than radio waves, and visible light (\(d\)) also has a higher frequency than radio waves.

Answer:

C. radio wave