Heat TransferHard
Question
The intensity of heat radiation by a point source measured by a thermopile placed at a distance d is I, If the distance of thermopoile is doubled then the intensity of radiation will be :
Options
A.I
B.2I
C.I / 4
D.I / 2
More Heat Transfer Questions
When a red rose is seen through green glass then rose appears :...A radiation of energy ′E′ falls normally on a perfectly reflecting surface. The momentum transferred to the ...Current is passed through a thermistor (temperature dependent resister) continuously which is placed in vaccum. Its temp...Ratio of radius of curvature of cylindrical emitters of same type is 1 : 4 and their temp. are in ratio 2 : 1. Then rati...A perfectly black body is one where :...