Question

Lasers used for surgery are often on for only a very small fraction of a second at a time? true or false?

Answer 1

Lasers are used very widely for surgeries, but the timing and the power of the laser totally depends on the surgery that is suppose to take place.High power laser which is more than needed might result in some injuries or burning of the person in the tissues or body parts.

Answer 2

True.

Lasers used for surgery are often on for only a very small fraction of a second at a time.

Otherwise, it will ruin the whole process.

If this is not the case the large flow of laser and the current can damage the surgery.

It is used to stimulate the atoms and molecules to emit particular light that are used to produce narrow beam of radiation.