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      Question

      When white light passes through a glass prism we get a

      spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is -
      A the violet ray Correct Answer Incorrect Answer
      B the red ray Correct Answer Incorrect Answer
      C the green ray Correct Answer Incorrect Answer
      D the blue ray Correct Answer Incorrect Answer

      Solution

      Red is deviated the least and violet the most.

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