the photons of different light waves:
contain the same amount of energy.
operate at the same frequency.
contain different amounts of energy.
are created through the separation of protons from the nucleus of an atom.

contain different amounts of energy

Explanation:

The energy of a photon is given by:

Where:

is the Planck constant

is the frequency of the light which is inversely related to the wavelength.

Now, if we have photons of different light waves, this means we have photons with different frequencies.

As the energy of the photon depends on its frequency:

Photons of different light waves contain different amounts of energy.

the independent variable, the one that is intentionally manipulated, is whether or not the car hits the barrier.

the dependent variable, the one that you measure the response in, is the distance that the washers travel.