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Which of the following is a characteristic of a black body?

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Question: Which of the following is a characteristic of a black body?

Options:

  1. Reflects all radiation
  2. Absorbs all radiation
  3. Transmits all radiation
  4. Scatters all radiation

Correct Answer: Absorbs all radiation

Solution: 

A black body is defined as an idealized physical body that absorbs all incident electromagnetic radiation, regardless of frequency or angle of incidence.

Which of the following is a characteristic of a black body?

Practice Questions

Q1
Which of the following is a characteristic of a black body?
  1. Reflects all radiation
  2. Absorbs all radiation
  3. Transmits all radiation
  4. Scatters all radiation

Questions & Step-by-Step Solutions

Which of the following is a characteristic of a black body?
  • Step 1: Understand what a black body is. It is a theoretical object that can absorb all types of electromagnetic radiation.
  • Step 2: Know that a black body does not reflect or transmit any light; it takes in all the energy that hits it.
  • Step 3: Remember that this property holds true for all frequencies of electromagnetic radiation, meaning it works for all types of light, including visible light, infrared, and ultraviolet.
  • Step 4: Recognize that the angle at which the radiation hits the black body does not affect its ability to absorb the radiation.
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