Railways Sample Paper RRB (Group D) Sample Test Paper-13

  • question_answer
    Who among the following evolved the concept of Relationship between mass and energy?

    A)  Einstein

    B)  Planck

    C)  Dalton 

    D)  Rutherford

    Correct Answer: A


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