PDF chapter test TRY NOW
Fill the blanks using the below options:
Compression | Amplitude | Rarefaction |
Ultrasound | Thrust | Liquid |
SONAR | Cochlea | ECG |
1) I am used to finding the direction of underwater objects by acoustic means. Who am I?
2) It is the region of high pressure in a longitudinal wave. The term 'It' refers to?