Physics · 2020
JEE Main · 2 September 2020, Shift 2 · Q6
When the temperature of a metal wire is increased from 0°C to 10°C, its length increases by 0.02%. The percentage change in its mass density will be…
When the temperature of a metal wire is increased from $\displaystyle 0$°C to $\displaystyle 10$°C, its length increases by $\displaystyle 0.02$%. The percentage change in its mass density will be closest to :
Official answer
(4)
$\displaystyle 0.06$
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JEE Main 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.