Question

What are the various examples of heat transfer seen in day-to-day life?

Answer 1

Hey there,
There are infinite examples of heat transfer some of them are-
1.The heat that we receive from the sun.
2.Lowering the temperature of the coffee placed in an open cup.
3.Heat released from your mobile phones or laptops when used continuously for a long time.
4.Heat from your body whenever you do some work.
5.The heat that you feel when you keep your hand in the fire.
6.COOKING OF FOOD, cooking is the best example of heat transfer where all the three forms of heat transfer take place.
7.Heat released from your bike or car engine.
     Hope it helps...

Answer 2

Dear Student,

◆ Heat energy -

• Heat is a form of energy due to movement of constituent particles of substance.
• SI unit of heat is Joule and CGS unit is Erg.
• Heat is transferred from higher temperature to lower temperature.

● Examples of heat transfer -

1. A hot object placed in open transfers heat to surroundings.
2. When we heat cooker, heat is transferred from stove to utensil and utensil to surrounding.
3. When we stand in sunlight, heat is transferred from sun to us.

Thanks dear...