A laser is a special device that produces a powerful and focused beam of light. The word LASER stands for Light Amplification by Stimulated Emission of Radiation. Unlike ordinary light, laser light is highly organized, travels in one direction, and has a single color or wavelength. Because of these unique properties, lasers can deliver energy very precisely over long distances without spreading much The development of laser technology has brought major changes in many fields of science and daily life. Lasers are widely used in medicine for surgeries and eye treatments because they can cut or remove tissues with high accuracy and minimal damage. In industry, lasers are used for cutting, welding, and engraving materials such as metal and plastic. They also play an important role in communication systems, where laser beams are used to transmit data through optical fibers at very high speeds. -- In addition, lasers are used in everyday devices like barcode scanners, printers, and CD/DVD players. In scientific research, lasers help in studying atoms and molecules, while in defense, they are used in targeting and range-finding systems. Due to their precision. efficiency, and versatility, lasers have become an essential tool in modern technology
Divyanshi Shukla (Fri,) studied this question.