Question

state any two applications each of conduction convection and radiations

Answer 1

Answer:

The two applications of conduction are:-

i) by conduction cooking pots made of steel or aluminium conduct heat and thus supply heat to the food in the pot.

ii) by conduction metals can be smelted since metals are good conductors of heat.

The two applications of convection are:-

i) In nature ,sea breeze and land breeze are examples of convection currents set up in air in coastal areas.

ii) ventilators are placed hi up on the walls of a room.the warm air containing carbon dioxide inside the room rises off and cooler fresh air flows in through the ventilators.

The two applications of radiation are:-

i) by radiation heat from the sun's rays reach us.

ii) by radiation a man seated by the fire is reached by heat.

Answer 2

Answer:

by radiation heat reach from us