Ultrasonic, Infrasonic and audible waves travel through a medium with speeds V_(u),V_(i) and V_(a) respectively, then

Ultrasonic, Infrasonic and audible waves travel through a medium with

1.	Ultrasonic, Infrasonic and audible waves travel through a medium with speeds V_(u),V_(i) and V_(a) respectively, then
Answer» `V_(U), V_(i) and V_(a)` are NEARLY EQUAL `V_(u)ge V_(a)geV_(i)` `V_(u)le V_(a)leV_(i)` `V_(a) le V_(u)and V_(u)~~V_(i)` ANSWER :A