A metal block is allowed to cool in two different environments
PHYSICS · Subjective · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter
Problem
A 400K metal block is allowed to cool in two different environments, each at 300K. In case (A) the block is suspended in a vacuum chamber. In case (B) the block is suspended in still air. For each case, identify the dominant mechanism by which the block loses thermal energy.