Numerical Problem - I — task. Science State Board, Class 8.

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An iron ball requires

$1000\ J$ of heat to raise its temperature by

$20\ °C$ . Calculate the heat capacity of the ball.

From the given data,

Change in temperature (

$\Delta T$ )

$=$

$20\ °C$

Energy Supplied (

$Q$ )

$=$

$1000\ J$

We know that, Heat transfer (

$Q$ ) is,

$Q\ =\ C' \times \Delta T$
$Q\ =\ \frac{m}{C' \times \Delta T}$
$Q=\frac{m \times C'}{\Delta T}$

Formula to calculate heat capacity is,

$C'\ =\ \frac{m}{Q \times \Delta T}$
$C'\ =\ Q \times \Delta T$
$C'\ =\ \frac{Q}{ \Delta T}$

Substitute the values,

Heat Capacity

$=$

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