Question

describing the electromagnetic spectrum
which side of the electromagnetic spectrum has shorter wavelengths?
which side of the electromagnetic spectrum has higher energy?
which side of the electromagnetic spectrum has higher frequency?
blue
red

Explanation:

In the visible - light part of the electromagnetic spectrum, blue light has shorter wavelengths, higher frequencies, and higher energy compared to red light. The energy of electromagnetic radiation is directly proportional to its frequency and inversely proportional to its wavelength ($E = h
u=\frac{hc}{\lambda}$, where $E$ is energy, $h$ is Planck's constant, $
u$ is frequency, $c$ is the speed of light, and $\lambda$ is wavelength).

Answer:

For shorter wavelengths: blue
For higher energy: blue
For higher frequency: blue