Question

. 32. 32. A sound with a frequency below is called as Infrasonic Sound and a sound with frequency above is called as Ultrasonic Sound. கவிட 니 நோ பம் வறு சரி (1) 20 Hz, 20,000 Hz (2) 200 Hz, 2000 Hz ), ( (3) 2000 Hz, 20Hz (4) 2000 Hz, 200 Hz TR 4651 9​

Answer 1

Answer:

(1) 20 Hz, 20,000 Hz

Frequency of Infrasonic sound is below than 20Hz

and Frequency of Ultrasonic sound is above than 20,000Hz