Question

1) Gaps are left between railway tracks to avoid any accidents due to

a) Expansion of iron metal b) Contraction of iron metal

c) Melting of metal d) None of the above​

Answer 1

Question :-

Why gaps are left between the railway tracks ?

Answer :-

Tracks being made up of iron, shows the property of thermal expansion and thus it expands on excessive heat. Thus, gaps are left between the railway tracks so that it gets enough space for expansion and it doesn't bend or break.

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