According to Boyle's law, the graph drawn between pressure and volume at constant temperature is a .
A
straight line
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B
hyperbola
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C
parabola
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Solution
The correct option is B hyperbola Boyle's law states that, at constant temperature, the pressure exerted by a gas is inversely proportional to its volume. ⇒ P α 1/V
or
PV = constant
Thus, the presuure decreases on increase in volume and vice versa.
Hence, on plotting the graph at constant temperature, by taking volume on x - axis and pressure on y, we obtain a hyperbola.