![Explain with the aid of a diagram how black body can be approximated. Explain with the aid of a diagram how black body can be approximated.](https://digitalteachers.co.ug/wp-content/uploads/2021/04/Bbosa3.jpg)
Explain with the aid of a diagram how black body can be approximated.
Explain with the aid of a diagram how black body can be approximated.
When radiation enters a black container through a hole, it undergoes multiple reflections. At each reflection, part of the radiation is absorbed. After several reflections, all the radiation is retained inside the container. Hence it approximates to a black body.
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CATEGORIES heat A-level
TAGS Dr. Bbosa Science