After heating two pieces of iron they are taken in dark room

Last updated: 6/27/2023

After heating two pieces of iron they are taken in dark room One of them appears red and another appears blue then 1 The temp of red piece will be more 3 The temp of both pieces will be same 2 The temp of blue piece will be more 4 Nothing can be said about their temp 10 12 watt cm K Temperature