MHT CET 2024 Physics question
Rails of material of steel are laid with gaps to allow for thermal expansion. Each track is 10 m log, when laid at temperature C. The maximum temperature that can be reached is C. The gap to kept between the two segments of railway track is (C)
Answer: (C)
Solution
The gap left between two rail segments must equal the thermal expansion of one rail when the temperature rises from C to C. C. Linear expansion $Δ L = α L Δ T =
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