6th Class Science Sample Paper Science Olympiad Model Test Paper-21

  • question_answer
    Which one of the following statements is correct?

    A) A periscope works on the principle of refraction of light.

    B) A broad stream of light consists of a large number of rays.

    C) Image formed by a plane mirror is either enlarged or diminished.

    D) Our image in a plane mirror is an example of real image.

    E) None of these

    Correct Answer: B


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