Ultrasonic, infrasonic and audio waves travel throughmedium with speeds v1, v2 and v3 respectively. Then |
|||
(a) |
v1, v2 and v3 are nearly equal |
(b) |
v1v3v2 |
(c) |
v1v3v2 |
(d) |
v3<< v1 and v1= v2 |
Ultrasonic, infrasonic and audio waves travel throughmedium with speeds v1, v2 and v3 respectively. Then |
|||
(a) |
v1, v2 and v3 are nearly equal |
(b) |
v1v3v2 |
(c) |
v1v3v2 |
(d) |
v3<< v1 and v1= v2 |