Question

PLZ HELP WILL GIVE BRAINLIEST!!!
Which of the following solids will have the highest wave speed?
one that has a high level of stiffness combined with a low density
one that has a low level of stiffness combined with a low density
one that has high level of stiffness combined with a high density
one that has a low level of stiffness combined with a high density

Answer 1

Hey....!! HERE IS YOUR ANSWER....!!

$\bf\red{ONE- THAT -HAS -A- HIGH}$
$\bf\green{LEVEL- OF -STIFFNESS}$
$\bf\blue{ COMBINED- WITH -LOW- DENSITY}$

Answer 2

A is right answer low density means volume is high compare to mass and stiffness is about hardness

Hope it helps