Light propagates through space as a wave is evident by all of the following EXCEPT?

Light propagates through space as a wave is evident by all of the following EXCEPT?

روشنی خلا کے ذریعے پھیلتی ہے جیسا کہ لہر مندرجہ ذیل تمام چیزوں سے واضح ہے سوائے؟
Explanation

Photoelectric effect does not demonstrate the wave nature of light; it shows light behaving as particles (photons).

The phenomena of diffraction, polarization, and interference are clear evidence of light's wave nature.