Podcast
Questions and Answers
What does LASER stand for?
What does LASER stand for?
- Light Amplification by Spontaneous Emission of Radiation
- Light Amplification by Stimulated Emission of Rays
- Light Amplification by Stimulated Emission of Radiation (correct)
- Light Amplification by Spontaneous Emission of Rays
What is the term for the property of laser light that makes it have a single wavelength or color?
What is the term for the property of laser light that makes it have a single wavelength or color?
- Monochromatic (correct)
- Polarized
- Coherent
- Collimated
What is the term for the property of laser light that makes it travel in a straight line without diverging?
What is the term for the property of laser light that makes it travel in a straight line without diverging?
- Polarized
- Coherent
- Monochromatic
- Collimated (correct)
What is the term for the property of laser light that makes it have the same phase or alignment of the peaks and troughs of the waves?
What is the term for the property of laser light that makes it have the same phase or alignment of the peaks and troughs of the waves?
What is the advantage of laser light over ordinary light in terms of distance and energy?
What is the advantage of laser light over ordinary light in terms of distance and energy?
What is the main function of a laser apparatus?
What is the main function of a laser apparatus?
What is the property of laser light that makes it have a very narrow spectrum or bandwidth?
What is the property of laser light that makes it have a very narrow spectrum or bandwidth?
What is the effect of spatial and temporal coherence on the quality of the laser beam?
What is the effect of spatial and temporal coherence on the quality of the laser beam?
What is the process of spontaneous emission in a laser?
What is the process of spontaneous emission in a laser?
What is the process of stimulated emission in a laser?
What is the process of stimulated emission in a laser?
What is the condition of population inversion in a laser?
What is the condition of population inversion in a laser?
What happens when electrons transition from an excited state to the ground state?
What happens when electrons transition from an excited state to the ground state?
What does it mean when we say that the emitted photons are incoherent?
What does it mean when we say that the emitted photons are incoherent?
