State with reason which material—polystyrene foam or hard rubber —is more suitable…

PHYSICS · Subjective · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter

Problem

State with reason which material—polystyrene foam (k≈0.03 W m−1K−1)(k \approx 0.03 \text{ W m}^{-1}\text{K}^{-1}) or hard rubber (k≈0.13 W m−1K−1)(k \approx 0.13 \text{ W m}^{-1}\text{K}^{-1})—is more suitable for making the handle of a cooking pot.

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