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  3. 10th Class
  4. Science
  5. Light - Reflection and Refraction

10th Class Science Light - Reflection and Refraction Question Bank Light

  • question_answer
    Which of the following term is not associated with a lens?

    A)  Aperture           

    B)         Focal length

    C)  Principal focus

    D)         Efficiency  

    Correct Answer: D

    Solution :

    Not Available


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