4 A black body at 327 C suspended in a black enclosure at 27

Last updated: 6/7/2023

4 A black body at 327 C suspended in a black enclosure at 27 C cools at certain rate If temperature of black body is lowered to t C so that rate of cooling becomes half of initial value then find approximate value of f in C 1 129 C 2 239 C 3 429 C 4 512 C COC in 5 minute th