JEE Main & Advanced Physics Photo Electric Effect, X- Rays & Matter Waves Question Bank X Rays

  • question_answer
    X-rays are not used for radar purpose because

    A)            They are not reflected by the target

    B)            They are not electromagnetic waves

    C)            They are completely absorbed by the air

    D)            They sometimes damage the target

    Correct Answer: A

    Solution :

               X-rays are absorbed by the target; they are not reflected by the target.


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