I WONDER - What Is A Laser?

What characteristic of lasers makes them produce a narrow beam?

• Their focus

• Their size

• Their color

• Their brightness

Which of the following is NOT a common use of lasers?

• Medical treatments

• Cutting materials

• Measuring distances

• Cooking food

Which property of lasers makes them useful in medical treatments?

• Their ability to expand rapidly

• Their ability to emit sound

• Their ability to change colors

• Their ability to produce a narrow beam

What does it mean when laser light is described as monochromatic?

• It is of a single color

• It is very bright

• It is very large

• It is very intense

Why is laser light considered highly controllable?

• Because it is very large

• Because it is very intense

• Because it is monochromatic

• Because it is very bright