Advertisements
Advertisements
प्रश्न
Consider the statement given below and choose the correct option.
Assertion: Radiation is a form of heat transfer which takes place only in vacuum.
Reason: The thermal energy is transferred from one part of a substance to another part without the actual movement of the atoms or molecules.
विकल्प
Both assertion and reason are true and reason is the correct explanation of assertion.
Both assertion and reason are true, but reason is not the correct explanation of assertion.
Assertion is true, but the reason is false.
Assertion is false, but the reason is true.
उत्तर
Both assertion and reason are true, but the reason is not the correct explanation of assertion.
APPEARS IN
संबंधित प्रश्न
During the phase change does the average kinetic energy of the molecules of the substance increase?
Water property of water makes it an effective coolant?
Give one example where high specific heat capacity of water is used as cooling purposes?
Ice cream appears colder to the mouth than water at 0℃. Give reason.
How will you prove experimentally that different substances have different specific heat capacities?
A substance is heated at a constant rate from a low temperature to a high temperature. A graph of temperature against time is shown in the figure. Which part or parts of the graph correspond(s) to the substance existing in two states?
Write the approximate values of the specific latent heat of fusion of ice.
J/Kg °C is the unit of specific heat capacity.
Two blocks P and Q of different metals having their mass in the ratio 2 : 1 are given same amount of heat. Their temperature rises by same amount. Compare their specific heat capacities.
