Question

prepare a chart on different ways how ultrasonic and infrasonic are used in various fields of science and technology.also mention their working in brief

Answer 1

applications of ultrasonic waves : a) ultrasonic waves are used to establish ship to ship communication. b) ultrasonic waves are used to welding plastics. c) ultrasonic waves are used to analyse the development of unborn child ( foetus) through sonography. d) ultrasonic waves are used to clean the hidden parts of instruments. e) ultrasonic waves are used to determine the depth of sea . It is used in submarines . d) ultrasonic waves are used in sonar device to detect the presence of objects underwater . so it is used by submarines, scuba drivers. e) ultrasonic waves are used in security system to detect even the slightest movement. Applications of infrasonic waves: a) monitoring of infrasonic seems to be one of the best ways to detecting atmospheric nuclear tests. b) infrasonic waves are used to detect the frequent avalanches ( break down of masses of snow , rocks on mountainside) and sending warning signals .

Answer 2

Answer:

write the name of the place where the following games and sports are played.