To support the argument that light behaves like a particle, we would look for evidence that suggests particle-like behavior. The choices given primarily reflect wave behavior, but we can analyze them:
A) Interference is observed with light. - This is a characteristic of wave behavior, not particle behavior.
B) Diffraction is observed with light. - This is also characteristic of wave behavior.
C) Sound, which travels in waves, can't travel through a vacuum. - This does not relate to light's particle behavior.
D) Unlike sound, light waves don't need a medium to self-propagate. - This indicates that light behaves differently from sound but does not specifically support the particle argument.
None of these options directly support the idea that light behaves like a particle. However, in contexts outside this list, phenomena like the photoelectric effect would support the particle theory.
Thus, while none of the options given here specifically support the particle theory, option D highlights a unique aspect of light that helps differentiate it from sound. In light of the selections provided, the best choice pointing away from traditional wave behavior would indeed be D), but it does not directly argue that light behaves like a particle.
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