Question

differentiate between infra sounds and ultra sounds​

Answer 1

Answer:

sound whose power is less than 20 Hertz are called infra , and sounds whose sound power is more than 20000hz are caller ultra sounds

Answer 2

Answer:

ऊषा साउंड आर द टाइप ऑफ फ्रॉम व्हिच इज less than 20 hertz sound type of sound which is more than 20000 Hertz