Standing in the sun is more pleasant on a cold winter day than standing in shade. Is the temperature of air in shade?

Standing in an open ground on a cloudless day, at what time will your shadow be the shortest?

Standing Waves In Air Column

Is the thermometer reading of the temperature of air (in shade) the same as the temperature of sand or water? What do you think is the reason for this? And why does the temperature have to be measured in the shade?

Wet clothes dry faster on a winter day than on a summer day. Explain.

Assertion : Sound would travel faster on a not summer day than on a cold winter day, Reason : Velocity of sound is directly proportional to the square of its aboslute temperature.

A bottle standing on its base is more stable than when it stands on its neck. This is so because when it stands on the base its ______.

Give reason: Aniline gets coloured on standing in air for a long time.