Question

A blackbody emits radiation, when its temperature (tb)is ____ that of its surrounds (ts).

Answer 1

Answer:

$a \: black \: body \: emits \: radiations \: \: \: \\ when \: its \: tempreature \: is \: \: above \\ absolute \: zero \: (0 \: kelvin \: and \: \\ - 273.15 \: degree \: celcius \: ) \: thatof \: its \: surround \:$