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  5. Lights, Sound and Force

5th Class Science Lights, Sound and Force Question Bank Self Test-7

  • question_answer
    Which one of the following statements is correct?

    A) (a) Light is an electromagnetic waves     

    B) (b) Light always needs a medium to travel!

    C) (c) White light consists of seven colors

    D) (d) Both A and C

    E) (e) None of these

    Correct Answer: D

    Solution :

    (d)


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