Home

What is the correct answer?

4

According to Stefan Boltzmann law, ideal radiators emit radiant energy at a rate proportional to

A. Absolute temperature

B. Square of temperature

C. Fourth power of absolute temperature

D. Fourth power of temperature

Correct Answer :

C. Fourth power of absolute temperature


Related Questions

Which of the following statement is wrong? Which of the following is the case of heat transfer by radiation? The heat transfer by conduction through a thick sphere is given by Film coefficient is defined as the ratio of According to Stefan's law, the total radiation from a black body per second… The heat transfer by conduction through a thick cylinder (Q) is given… In regenerator type heat exchanger, heat transfer takes place by The amount of radiation mainly depends upon the A designer chooses the values of fluid flow rates and specific heats in… Wiens law states that the wave length corresponding to ________ is proportional… Reynolds number (RN) is given by (where h = Film coefficient, l = Linear… The ratio of the energy absorbed by the body to total energy falling on… In free convection heat transfer, Nusselt number is function of The concept of overall coefficient of heat transfer is used in case of… Unit of thermal conductivity in S.I. units is The total radiation from a black body per second per unit area is ________… The critical thickness of insulation for a sphere is Heat flows from one body to other when they have Conduction is a process of heat transfer According to Stefan Boltzmann law, ideal radiators emit radiant energy… Which of the following is a case of steady state heat transfer? The energy distribution of an ideal reflector at higher temperatures is… A steam pipe is to be insulated by two insulating materials put over each… All radiations in a black body are In counter current flow heat exchanger, the logarithmic temperature difference… The process of heat transfer from one particle of the body to another… According of Kirchhoff's law The emissivity for a black body is When α is absorptivity, ρ is reflectivity and τ is transmissivity,… According to Stefan Boltzmann law, the total radiation from a black body…