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      Question

      Which instrument is used to measure the intensity of

      electromagnetic radiation?
      A Barometer Correct Answer Incorrect Answer
      B Fathometer Correct Answer Incorrect Answer
      C Photometer Correct Answer Incorrect Answer
      D Calorimeter Correct Answer Incorrect Answer

      Solution

      A photometer is an instrument designed to measure the intensity of electromagnetic radiation, including visible light, ultraviolet, and infrared rays. It typically works by converting light into an electrical current.

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