Which of the following statements about an ideal gas are correct

PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

Which of the following statements about an ideal gas are correct? I. At constant temperature,

\frac{P}{V}=\text{constant}

. II. At constant volume,

\frac{P}{T}=\text{constant}

. III. At constant pressure,

\frac{V}{T}=\text{constant}

. (1) I and II only (2) I and III only (3) II and III only (4) I, II and III