How will you differentiate the diodes whether it is Zener or avalanche when you are given two diodes of rating 6.2 v and 24V?

Oh, what a happy little question! To differentiate between Zener and avalanche diodes, you can look at their voltage ratings. A Zener diode typically has a lower voltage rating, like 6.2V, while an avalanche diode usually has a higher voltage rating, like 24V. Just remember, each diode has its own special purpose and they all bring joy to our electronic landscapes.