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When the temperature of a metal wire is increased from 00C to 100C, its length increased by 0.02%. The percentage change in its mass density will be closest to:

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By Expert Faculty of Sri Chaitanya
a
0.06
b
2.3
c
0.008
d
0.8
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detailed solution

Correct option is A

ρ=MV​⇒Δρρ=ΔVV​⇒Δρρ=3αΔT​⇒Δρρ=3Δll=0.06%


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