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प्रश्न
Boojho kept a magnet close to an ordinary iron bar. He observed that the iron bar attracts a pin as shown in Fig. 13.7.
What inference could he draw from this observation? Explain.
उत्तर
Boojho can infer that the iron bar behaves like a magnet and posseess magnetic properties till it is in the vicinity of the magnet. The marking of the poles of the iron bar and the pin are shown in the figure below:
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