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Famous Science Problem

Famous Science ProblemFamous Science Problem - 7 May

You are in a room with no metal objects except for two iron bars. Only one of them is a magnet.
How can you identify which one is a magnet?

For Solution : Click Here


  1. the magnetic one will attract the other iron bar

  2. Balance the bar on your hand/something and if it try to move and point to north/south, then it is magnet, else iron bar.

  3. hang it from a rope and it will tend to point in the north-south direction.

    the previous answer was also correct.

  4. Break it into two and test if it repels/attracts its other part.

  5. Move one end of a bar over the other bar if the strength of attraction varies then the other bar is iron, otherwise it is a magnet.