Heat TransferHard
Question
The cause of Fraunhoffer′s lines is
Options
A.Reflection of radiations by chromo sphere
B.Absorption of radiations by chromosphere
C.Emission of radiations by chromosphere
D.Transmission of radiations by chromosphere
More Heat Transfer Questions
If the temperature of the sun were to increase from T to 2T and its radius from R to 2R, then the ratio of the radiant e...Pyrometer is used in :...Heat conducting metarial is -...A slab of stone of area 0.36 m2 and thickness 0.1 m is exposed on the lower surface to steam at100oC. A block of ice at ...In solar spectrum fraunhoffer′s lines are presents because:...