MHT CET 2024 Physics question
Railway track is made of steel segments separated by small gaps to allow for linear expansion. The segment of track is 10 m long when laid at temperature C. The maximum temperature that can be reached is C. Increase in length of the segment of railway track is 'x' x m. The value of 'x' is
Answer: (C)
Solution
Linear expansion: . Here m, C and C. So m. Hence , option (C). Option (A) 168
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