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Unit - 5.3 Thermal Expansion And its Applications — PHYSICS STD 7 — Question

ICSE BoardEnglish MediumSTD 7PHYSICSUnit - 5.3 Thermal Expansion And its Applications1 Mark
MCQ
Small gaps are left between railway lines because :
  • ✓
    rails of very long length are not available
  • B
    expansion of rails during summer
  • C
    contraction of rails during summer
  • D
    both (b) and (c)
✓

Answer

Correct option: A.
rails of very long length are not available
A

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