Water vapours are condensed on the external surface.
condensation
That is the reaction of the cold lens meeting with the heat from the inside.
Yes, they will, because of the sudden change in temperature, a chemical reaction occurs, making the sunglasses fog.
alcohol is basicall condensation it causes fog just like hot and or cold water
well it could be because of the heat. if its cold out and you have the heat on in the car, then you will get hot and that will cause the window to fog.
Condensation
cold
Fog was created by cold cloud floating up to the sun. The sun doesn't like it so the cloud get spits out and sinks down to the bottom and becomes fog.
Cold air holds less moisture than warm air. When you run the shower with hot water, the moisture condenses on the cold mirror surface causing it to fog up. If you run the shower cold, the mirror will not fog up.
Yes, if there are hot lights out were its cold, chances are they will get fog on them. Yes, if there are hot lights out were its cold, chances are they will get fog on them.
water goggles fog up by condensation when the heat is in your goggles its trapped and the plastic probably absorbs the cold in the water
moisture from your breathing for example condensing on the cold glass