Question

why do we see water droplets on the outer surface of a glass containing ice cold water?​

Answer 1

Answer:

Dew point is the temperature at which condensation happens. ... Condensation can also produce water droplets on the outside of soda cans or glasses of cold water. When warm air hits the cold surface, it reaches its dew point and condenses. This leaves droplets of water on the glass or can.

Answer 2

Answer:

The water vapour present in air, on coming in contact with the cold glass of water, loses energy and gets converted to the liquid state, which we see as water droplets.

This is called condensation.