## Application of Thermal Expansion - MCQ - Advance Level

Physics is an important subject in preparation for various Competitive exams. To keep a track of your preparation we have designed a small quiz of Advance Level Questions on Application of Thermal Expansion. You have 10 minutes to solve the quiz, click the start timer button in order to start the timer and then click on submit button at the end to submit the quiz and view your scores and correct answers.

Q1. Three rods of equal length l are joined to form an equilateral triangle PQR. O is the mid point of PQ. Distance OR remains same for small change in temperature. Coefficient of linear expansion for PR and RQ is same i.e. Î±2 but that for PQ is Î±1. Then

•  Î±2 = 3Î±1
•  Î±2 = 4Î±1
•  Î±1 = 3Î±2
•  Î±1 = 4Î±2

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