12th Class Physics Ray Optics Question Bank Case Based (MCQs) - Ray Optics and Optical Instruments

  • question_answer
    Unit of luminous flux is:

    A) Candela

    B) Steradian

    C) Nit

    D) Lumen

    Correct Answer: D

    Solution :

    Option [d] is correct. Explanation: The total luminous flux emitted into a solid angle is one lumen (1m).         


You need to login to perform this action.
You will be redirected in 3 sec spinner