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.
पर्याय
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.
Advertisements
उत्तर
Both assertion and reason are true, but the reason is not the correct explanation of assertion.
APPEARS IN
संबंधित प्रश्न
The coolant in a chemical or a nuclear plant (i.e., the liquid used to prevent the different parts of a plant from getting too hot) should have high specific heat.
Water in lakes and ponds do not freeze at once in cold countries. Give a reason is support of your answer.
Explain the meaning of green house effect.
Give one example where high specific heat capacity of water is used as cooling.
A liquid X has specific heat capacity higher than the liquid Y. Which liquid is useful as coolant in car radiators.
Explain, why do sandy soils, get heated up quickly as compared to wet soils?
Two uniform brass rods A and B of length land 2l and radii 2r and r respectively are heated to the same temperature. The ratio of the increase in the volume ofB to that of A is ____________.
The molar specific heat of an ideal gas at constant pressure and constant volume is 'Cp' and 'Cv' respectively. If 'R' is the universal gas constant and the ratio 'Cp' to 'Cv' is 'γ' then CV = ______.
