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Standard VII

Physics

Conduction Law

The thermal c...

Question

The thermal conductivity of a rod depends on

Length

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Mass

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Area of cross section

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Material of the rod

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Solution

The correct option is D
Material of the rod

$\frac{Δ Q}{Δ t} = - k A \frac{d T}{d x}$

Here, the thermal conductivity ( $k$ ) depends on the material, and not the dimensions and mass of the body.

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Similar questions

Q. The thermal conductivity of a rod depends on

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(b) mass
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(d) material of the rod

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Q. Three rods of material

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Q. The area of cross - section of rod is given by

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The thermal conductivity of a rod depends on

The correct option is D Material of the rod ΔQΔt=−kAdTdx Here, the thermal conductivity (k) depends on the material, and not the dimensions and mass of the body.

The correct option is D
Material of the rod

$\frac{Δ Q}{Δ t} = - k A \frac{d T}{d x}$

Here, the thermal conductivity ( $k$ ) depends on the material, and not the dimensions and mass of the body.