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23-02-2022
Physics

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A wire of length 5cm is heated from a temperature of 20c to 70c if it undergoes a change in length of 2cm.calculate the linear expansivity of the wire

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28-02-2022

Answer:

HEREEEE

Explanation:

Explanation

α=ΔLLΔθ=0.02020×(55−5)=2.0×10−5

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