What are some examples of convection currents in Daily Life
Important Questions on Heat Transfer
Statement Convection involves flow of matter within a fluid due to unequal temperatures of its parts.
Statement A hot bar placed under a running tap water loses heat due to effect of convection within water.
Statement. Heat transfer always involves temperature difference between two systems.
_____ is not necessary on radiation for heat transmission.
A utensil, which is made of thick copper base, is placed on the gas burner to heat up water in it.
a) Describe briefly how heat is transferred:
i) From gas burner to water.
A utensil, which is made of thick copper base, is placed on the gas burner to heat up water in it.
a) Describe briefly how heat is transferred:
ii) Spread through water in the utensil.
Give reason for the following:
The water pipe in a solar water heater is bent into the shape as given in the picture.
A utensil, which is made of thick copper base, is placed on the gas burner to heat up water in it.
Explain why water would boil faster when a lid is placed on the utensil.
