What is the SI unit of energy? List some other common

Solution 5E Solution: Stars behaves approximately like black bodies. A black body is nothing but an ideal body which emits and absorbs radiations of all wavelengths and frequencies and the radiation emitted by the body is called black body radiation. Step1: It is a common observation that when a solid is heated, they emits radiation over a wide range of wavelengths. For example, when an iron bar is heated in a furnace, it emits radiation and becomes dull red and then progressively becomes more and more red as the temperature increa