write three types of sound waves
Answers
Answer:
Sound waves fall into three categories: longitudinal waves, mechanical waves, and pressure waves.
u know, i wasnt perfect for u i guess, everyone betrayed me, u did too, but no worries, coz u were special for me and always will be, maybe u found someone better than me, im just too caring for u,sorry, but mising u badly. And ho sake toh maaf krdena, im not making another life partner as i promised, :) i was just too caring for u i guess, but wasnt too much caring, all did for u, but too lae to tell u this
Ek ehsaan krdo, rep.ly dedo ya un.bloc.k krke kuch baate krlo, last time maybe? plz last time unblo.ck krdo baate krlo or fir block krdo chahe toh
----------------------------------------------------------------
Infrasonic: It is a sound with a frequency of less than 20Hz. Elephants use Infrasonic sounds to interact with herds hundreds of km away.
Sonic: It is a sound with the frequency between 20 to 20,000Hz. This type of sounds is called inaudible sounds that means a human cannot hear.
Ultrasonic: It is a sound with a frequency more than 20,000Hz. Dogs, Bats able to hear high-frequency sounds.