In variable state, the rate of flow of heat is controlled by

Density of material

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Specific heat

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Thermal conductivity

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All the above factors

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Solution

The correct option is D
All the above factors

In vairiable state $\frac{Q}{t} \propto K$ and $\frac{Q}{t} \propto \frac{1}{p c} \Rightarrow \frac{Q}{t} \propto \frac{K}{p c}$

(K = thermal conductivity, r = density, c = specific heat)

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In variable state, the rate of flow of heat is controlled by

The correct option is D All the above factors In vairiable state Qt∝K and Qt∝1pc⇒Qt∝Kpc (K = thermal conductivity, r = density, c = specific heat)

The correct option is D
All the above factors

In vairiable state $\frac{Q}{t} \propto K$ and $\frac{Q}{t} \propto \frac{1}{p c} \Rightarrow \frac{Q}{t} \propto \frac{K}{p c}$

(K = thermal conductivity, r = density, c = specific heat)