Question

Two candle flames don't show a two point interference
pattern because they are​

Answer 1

Answer:

they are not coherent sources of light

Answer 2

This phenomenon occurs because the two candle flames are not coherent light sources.

Let's understand the meaning of coherent sources:

Coherent sources=We can say that two sources are coherent if and only if they produce two waves with the same frequency and constant phase difference and waveform.

If they are not coherent sources, they make patterns dependent on time, which can't be seen through our eyes.