A room has one wall made of concrete, one wall made of copper, and one wall made

Question

A room has one wall made of concrete, one wall made of copper, and one wall made of steel. All of the walls are the same size and st the same temperature of 20 °C. Which wall feels coldest to the touch (I) the concrete wall (II) the copper wall (III) the steel wall (IV) all three walls feel equally cold A room has one wall made of concrete, one wall made of copper, and one wall made of steel. All of the walls are the same size and st the same temperature of 20 °C. Which wall feels coldest to the touch (I) the concrete wall (II) the copper wall (III) the steel wall (IV) all three walls feel equally cold A room has one wall made of concrete, one wall made of copper, and one wall made of steel. All of the walls are the same size and st the same temperature of 20 °C. Which wall feels coldest to the touch (I) the concrete wall (II) the copper wall (III) the steel wall (IV) all three walls feel equally cold

Explanation / Answer

Here,

as the copper is best conductor of heat among concrete , copper and steel

hence , when touched as the copper will transmit the highest amount of heat

Copper will feel coldest to touch

the correct option is

II) the copper wall

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