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8a. Describe an experiment to show that matt black surfaces absorb thermal radiation better than shiny metallic surfaces. Your description should include details of the apparatus. You may use a clearly labeled sketch diagram in your answer.

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Final answer:

An experiment can show that black surfaces absorb thermal radiation better than shiny metallic surfaces by using containers painted black and coated with shiny metallic paint, exposing them to heat, and comparing their temperature changes.


Explanation:

To demonstrate that black surfaces absorb thermal radiation better than shiny metallic surfaces:

  1. Apparatus: Get two identical containers, one painted black and the other coated with shiny metallic paint. Place a thermometer in each container.
  2. Procedure: Expose both containers to a heat source for a specific time. Record temperature changes in both containers.
  3. Observation: The black-painted container will show a higher temperature increase, proving that black surfaces absorb thermal radiation better.

Learn more about Thermal Radiation Absorption here:

https://brainly.com/question/34400559


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