(a) What is the difference between infrasonic waves and ultrasonic waves? (b) Choose the infrasonic
Channel: Doubtnut
Date: 26/01/2020

(a) What is the difference between infrasonic waves and ultrasonic waves? (b) Choose the infrasonic waves and ultrasonic waves from the following frequencies: (i) 10,000 Hz (ii) 30,000 Hz (iii) 18 Hz (iv) 50,000 Hz (v) 10 Hz