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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 15 - Thermodynamics > A black body calorimeter filled with hot water cools from 60^∘C to 50^∘C in 4 min and 40^∘C to 30^∘C in 8 min. The approximate temperature of surrounding is :

A black body calorimeter filled with hot water cools from 60^∘C to 50^∘C in 4 min and 40^∘C to 30^∘C in 8 min. The approximate temperature of surrounding is :

A black body calorimeter filled with hot water cools from 60^∘C to 50^∘C in 4 min and 40^∘C to 30^∘C in 8 min. The approximate temperature of surrounding is :