black rectangular surface of area A emits energy E per

Last updated: 6/13/2023

black rectangular surface of area A emits energy E per second at 27 C If length and breadt rd of initial value and temperature is raised to 327 C then energy emitted pe reduced to 3 cond becomes 4E 9 B E 9 C jence 16E 9 2E D 222 ience