Laser Knowledge

They use mirrors to amplify light (correct)

They produce light through chemical reactions

They emit light through spontaneous emission

They generate light through nuclear reactions

Lasers emit light that is coherent and focused (correct)

Lasers emit light in all directions

Lasers produce light of different wavelengths

Lasers generate light without the use of electricity

Purifying water

Cutting and welding metals (correct)

Heating food

Generating electricity

<p>Performing eye surgery</p> Signup and view all the answers

<p>Less prone to interference</p> Signup and view all the answers

<p>Operate at room temperature</p> Signup and view all the answers