List any three applications of laser.

Lasers in medicine:

· Used for bloodless surgery.

· Used to destroy kidney stones

· Used in cancer diagnosis and therapy

· Used to remove tumours

Lasers in communication:

· Used in optical fibre communication to send information over large distance with less loss

· Used in underwater communication network

· Used in space communication radar and satellites

Lasers in Industries:

· Used to cut glass and quartz

· Used in electronic industries for IC’s

· Used for heat treatment in automobile industry

· Used in reading bar codes.