The figure given below shows the cooling curve of pure wax material after heating. It cools from $A$ to $B$ and solidifies along $BD.$ If $L$ and $C$ are respective values of latent heat and the specific heat of the liquid wax, the ratio $L/C$ is

Question

Dr. Abubacker · Accepted Answer

(d) Let the quantity of heat supplied per minute be $Q.$ Then quantity of heat supplied in $2\ min = mC(90 - 80)$
In $4\ min,\ $heat supplied $= 2mC(90 - 80)$
$	herefore 2m\ C(90 - 80) = mL \Rightarrow \frac{L}{C} = 20$

Q. The figure given below shows the cooling curve of pure wax material after heating. It cools from $A$ to $B$ and solidifies along $BD.$ If $L$ and $C$ are respective values of latent heat and the specific heat of the liquid wax, the ratio $L/C$ is

Explanation

Reviewed by Dr. Abubacker

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