Question

There is a linear relationship between volume, V, and absolute temperature, TK, for an ideal gas at constant pressure....?

If the constant is positive, which graph could represent this relationship?

Answer 1

Last one

Explanation:

The formula of Volume(V) vs Temperature(T) in Kelvin scale for an ideal gas at constant pressure and mass is `V/T` = constant=`c`

Or, `V=cT`

Now,compare this with `y=mx`

That means,this is an equation of straight line,passing through origin,so the correct choice is the last option.

So,here `c` is the slope of the curve i.e `tan theta = c`