Surface temperature of the sun is of the order of $K$.

Which of the following statements is wrong?

Distribution of energy in the spectrum of a black body can be correctly represented by

$A$ certain substance emits only the wavelengths ${\lambda _1}, {\lambda _2}, {\lambda _3}$ and ${\lambda _4}$ when it is at a high temperature. When this substance is at a colder temperature,it will absorb only the following wavelengths:

The following graph shows the correct variation in the intensity of heat radiations emitted by a black body with respect to frequency at different fixed temperatures. Identify the correct graph.

$A$ body is in thermal equilibrium with its surroundings. This is because .....