Length of a wire at room temperature is 4.55 m, when the temperature increases upto 100°C…
Physics · Class 11 · CBSE — Thermal Properties of Matter
Length of a wire at room temperature is 4.55 m, when the temperature increases upto 100°C then its length becomes 4.57 m. The coefficient of linear expansion (α) of the given wire is
- 5.021 × 10–5 K–1
- 6.021 × 10–5 K–1
- 7.021 × 10–5 K–1
- 8.021 × 10–5 K–1
Answer
(A) 5.021 × 10 –5 K –1
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