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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class11  >>  Thermodynamics
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Q)

A wire of length 60 cm is bent into a circle with a gap of 1 cm at its ends . On heating by by $\;100^{0}C\;$ , If the length of the gap increases to 1.02 cm , $\;\alpha\;$ of the material of the wire is

$(a)\;2 \times 10^{-4}/^{0}C\qquad(b)\;4 \times 10^{-4}/^{0}C\qquad(c)\;6 \times 10^{-4}/^{0}C\qquad(d)\;1 \times 10^{-4}/^{0}C$

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