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When the temperature of a metal wire is increased from $0^{0}$ C to $10^{0}$ C, its length increased by 0.02%. The percentage change in its mass density will be closest to:

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0.06

2.3

0.008

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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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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When the temperature of a metal wire is increased from $0^{0}$ C to $10^{0}$ C, its length increased by 0.02%. The percentage change in its mass density will be closest to: