Advertisements
Advertisements
Question
The fastest mode of heat transfer is ______.
Solution
The fastest mode of heat transfer is radiation.
APPEARS IN
RELATED QUESTIONS
Assertion: Maximum sunlight reaches earth’s surface during the noon time.
Reason: Heat from the sun reaches earth’s surface by radiation.
Look at Figure 4.9.
The length of wire PQ in case A is equal to the diameter of the semicircle formed by the wire CDE, in case B. One pin is attached to each wire with the help of wax as shown in Figure 4.9. Which pin will fall first? Explain.
In solid substances, heat is transferred by ______.
Radiation is defined as the way of heat transfer from one place to another in the form of ______.
The transfer of heat by radiation does not require any medium.
Assertion: Radiation is a process of transfer of heat in which a material medium is not necessary.
Reason: The heat from the sun reaches us through millions of miles of empty space by convection.
Define radiation.
Define radiation.
Water is used as a coolant in car radiators. Why?
In winters, when the sun suddenly goes behind the clouds we feel cold, can you say why?
