Question
| Column ‘A’ | Column B’ | Column C |
| (1) Transverse wave | (a) Particles oscillate parallel to direction of propagation | (i) Wave produced in a slinky |
| (2) Longitudinal wave | (b) Particles oscillate perpendicular to direction of propagation | (ii) Frequency less than 20 Hz |
| 3) Ultrasound | (c) Echo formation is heard under particular conditions | (iii) Wave produced in string |
| (4) Infrasound | (d) High frequency waves | (iv) Frequency between 20 Hz to 20000 Hz |
| (5) Audible frequency | (e) Low frequency waves | (v) Frequency greater than 20000 Hz |