Question

    What type of radiation is produced by a hot object

    emitting energy?  
    A X rays Correct Answer Incorrect Answer
    B Ultraviolet radiation Correct Answer Incorrect Answer
    C Infrared radiation Correct Answer Incorrect Answer
    D Radio waves Correct Answer Incorrect Answer

    Solution

    Hot objects emit infrared radiation.   This radiation has longer wavelengths than visible light but shorter than microwaves.   It is responsible for the heat we feel from objects like the Sun or a fire.   Infrared radiation is used in thermal imaging.

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