Question

राइट डाउन द इफ़ेक्ट वी कैन यूज़ फॉर प्रोड्यूस अल्ट्रासोनिक वेव्स​

Answer 1

Answer:

ultrasonic waves are generated by a transducer that includes a piezoelectric crystal that converts electrical energy (electric current) to mechanical energy (sound waves). an iron or nickel element is magnetized to change its dimensions, thereby producing ultrasonic waves.