The correct statements among the following regarding Maxwell, Boltzmann distribution curve of energy is -

a. The area under the curve must not change with an increase in temperature.
b. The area under the curve increases with increase in temperature.
c. Area under the curve decreases with increase in temperature.
d. With an increase in temperature curve broadens and shifts to the right-hand side.


1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)