1.The temperature at which a black body of unit area loses its energy at the rate of 1 joule/second1\,\text{joule/second}1joule/second isa.−65∘C-65^\circ\text{C}−65∘Cb.65∘C65^\circ\text{C}65∘Cc.65 K65\,\text{K}65Kd.None of theseLogin to continueOnly logged in users canattempt or see the solution.
