Which of the following is the more thermal insulation in the group?
A. Rubber, Glass, Plastic, Cotton, Copper
B. Plastic, Ebonite, Paper, Cotton, Bakelite, Dry air, Rubber
C. Silver, Copper, Gold, Iron
D. Bakelite, Dry air, Paper ebonite, Aluminium
Answer: Option B
This Question Belongs to Physics GK Chapter Wise >> Heat And Thermodynamics
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