Question

why school bell is made up of iron?
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Answer 1

Answer:

school bell is made up of a hollow metal which helps increase the focal length of the sound

Answer 2

School bell is made up of iron:

• The intent of school Bell is to emphasize people of timing.
• For this school bells are consist of strong metals, so that when it rings it can produce loud sound. On listening that big sound people can know about timings .
• In electrical wires aim it to communicate electric current not producing any sound, thus easily accessible inexpensive cushiond metal like copper is used for that.
• In both cases ambition is unlike thus different metals are used.

To know more:

Give reason for the following: (a) School bells are made up of metals.(b) Electrical wires are made up of copper.

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