Two thermo flasks of volume $V_x$ and $V_y$ are filled with liquid water at an initial temperature of 0oC. After sometime the temperature were found to ...

Assessment: JAMB UTME - Physics - 1985 Subject: Physics

Question 1 Report

Two thermo flasks of volume $V_x$ and $V_y$ are filled with liquid water at an initial temperature of 0^oC. After sometime the temperature were found to be $\theta_x$, $\theta_y$, respectively. Given that $\frac{V_x}{V_y}=2$ and $\frac{\theta_x}{\theta_y}=\frac{1}{2}$ the ratio of the heat flow into the flask is

Answer Details

Heat = mc $θ$

Hx = Dx x Vx x Cx x $θ$ x

Hy = Dy x Vy x Cy x $θ$ y

$\frac{H_{x}}{H_{y}}$ = $\frac{D_{x} \times V_{x} \times C_{x} \times θ_{x}}{D_{x} \times V_{x} \times C_{x} \times θ_{x}}$

= 2 x $\frac{1}{2}$

= 1

Read lesson note on Quantity Of Heat (JAMB)

Quantity Of Heat

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Two thermo flasks of volume \(V_x\) and \(V_y\) are filled with liquid water at an initial temperature of 0oC. After sometime the temperature were found to ...

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Two thermo flasks of volume \(V_x\) and \(V_y\) are filled with liquid water at an initial temperature of 0oC. After sometime the temperature were found to ...

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