1.

Take a steel glass. Put a magnet in it. Take a needle through which thread is passed. Press the thread with a finger near the eye of the needle as shown in figure 2 and raise the glass upward slowlyi) What happens?ii) Does the needle stand vertically up without touching the glass? Why does this happen?

Answer»

i) The needle stand vertically up without touching the glass. 

ii) Yes. This is because the magnet in the glass is attracting the needle.



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