Class 9 Physics e-Book's MCQs - Complete
Thermal Expansion App MCQ & e-Book PDF Download - 68
Apps:
MCQ 68:
Gaps are left in railway tracks to compensate thermal expansion during
- rainy season
- winter
- hot season
- wind
c
Class 9 Physics App & e-Book Tests PDF Download
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Thermal Expansion Learning App: Free Download (Android & iOS)
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