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

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

  • question_answer
    Only one of the following applies to a concave lens. Identify it.

    A) The focal length is positive.

    B) The object distance can be positive or negative.

    C) The height of the image can be positive or negative.

    D) Image distance is always negative.

    Correct Answer: D

    Solution :

    For a concave lens, the image distance is always negative.


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