The radius of a ring is R and its coefficient of linear expansion is α. If the…
Physics · JEE Main · NTA Exams — Thermodynamics
The radius of a ring is R and its coefficient of linear expansion is α. If the temperature of ring increases by θ, then its circumference will increase by :
- π Rαθ
- 2π Rαθ
- π Rα \(\frac{\theta}{2}\)
- π Rα\(\frac{\theta}{4}\)
Answer
(B) 2 π R αθ
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