The graph plot between log V and log T according to Charle's Law will be:
We know from Charle's Law:
V1T1=V2T2
And V ∝ T ⇒ V=kT
Putting log on both sides
log V = log k + log T
We will get a straight line with slope 1 and y-intercept of log k, where k is a constant.