Question

Explain with the help of an activity that black bodies are good absorbers and radiators of heat

Answer 1

in your car seat, the material is of usually black colour. when you leave your car out in the sun for sometime, the seat gets very hot. why ? we know black colour absorbs heat the most . so this shows that black bodies are good absorbers and radiators of heat.

Answer 2

Black-body radiation has a characteristic, continuous frequency spectrum that depends only on the body's temperature, called the Planck spectrum or Planck's law.