Question

The density of liquid at any temperature t is given $d_t=d_0[1-\gamma t]$. This equation applies to :

• A. all liquids
• B. only water
• C. no liquid
• D. all liquids except mercury

Answer 1

The correct option is A all liquids

Since volume expansion
$V_t=V_o(1+\gamma t)$
$m/d_t=m/d_o(1+\gamma t)$
$d_o=d_t(1+\gamma t)$
$d_t=d_o/(1+\gamma t)$
$d_t=d_0(1-\gamma t)$
therefore, this is true for all liquids