A slab of stone of area 0.36 m² and thickness 0.1 m is exposed on the lower surface to steam at 100°C. A block of ice at 0°C rests on the upper surface of the slab. In one hour 4.8 kg of ice is melted

Question

A slab of stone of area 0.36 m² and thickness 0.1 m is exposed on the lower surface to steam at 100°C. A block of ice at 0°C rests on the upper surface of the slab. In one hour 4.8 kg of ice is melted. The thermal conductivity of slab is: (Given latent heat of fusion of ice = 3.36 × 10⁵ J kg⁻¹)

A

1.24 J/m/s/°C

B

1.29 J/m/s/°C

C

2.05 J/m/s/°C

D

1.02 J/m/s/°C

Accepted Answer

1.24 J/m/s/°C

Answer

1.29 J/m/s/°C

Answer

2.05 J/m/s/°C

Answer

1.02 J/m/s/°C

AIPMT MAINS 2012 Physics Thermal Conductivity MCQ Question

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