Question

Application of laser

Answer 1

laser cantains red light

red light can travel longer distance

red light has more wavelength

becoz of these reason lazers have red light

it is used in many things

such as DVDs...etc



HOPE IT WILL HELP YOU

Answer 2

applications of laser are :
=> medical applications
=> welding
=> cutting
=> garment industry
=> surveying
=> laser nuclear fusion
=> heat treatment
=> barcode scanners
=> laser cooling
=>spectroscopy
=> heat treatment
etc.