When the temperature of a metal wire is increased from 0 º C   to   10 º C , its length increases by 0 . 02 % .The percentage change in its mass density will be closed to:

Question

When the temperature of a metal wire is increased from 0 &#186; C &#160; to &#160; 10 &#186; C , its length increases by 0 . 02 % .The percentage change in its mass density will be closed to:

Aicharya · Accepted Answer

&#916; &#8467; = &#8467; &#945; &#916; t &#945; = &#916; &#8467; &#8467; &#916; T = 0 . 02 100 &#215; 10 ; &#160;&#160; &#945; = 2 &#215; 10 - 5 &#947; = 3 &#945; = 6 &#215; 10 - 5 &#916; V V = &#947; &#215; &#916; T ; &#160;&#160; &#916; V V &#215; 100 = 6 &#215; 10 - 5 &#215; 10 &#215; 100 = 6 &#215; 10 - 2 Volume increase by 0 . 06 % therefore density decrease by 0 . 06 %

When the temperature of a metal wire is increased from 0 º C   to   10 º C , its length…

Solution

When the temperature of a metal wire is increased from 0 &#186; C &#160; to &#160; 10 &#186; C , its length…

Solution

When the temperature of a metal wire is increased from 0 º C to 10 º C , its length…