The formula to calculate the thermal efficiency is:
\[ \eta_{th} = \frac{W}{Q} \]
Where:
Thermal efficiency is the ratio of the work output to the heat input of a heat engine. It measures how efficiently the engine converts heat into mechanical work.
Let's assume the following values:
Using the formula to calculate the thermal efficiency:
\[ \eta_{th} = \frac{500}{1000} = 0.5 \]
The thermal efficiency is 0.5, or 50%.