1 - Interaction of Matter and Radiation
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is absorption in the context of laser physics?
💡 Hint: Think about what happens to an atom when it takes in energy.
Define spontaneous emission.
💡 Hint: Consider what happens naturally when an atom is excited.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main mechanism by which lasers operate?
💡 Hint: Think about which process involves the emission of identical photons.
True or False: Population inversion occurs naturally and does not require additional energy.
💡 Hint: Consider how energy dynamics work in atoms.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Calculate the wavelength of light emitted when an atom transitions from a higher energy level of 3 eV to a lower level of 1 eV.
💡 Hint: Apply the energy gap logically to the photon equation.
Examine how the properties of laser light make it suitable for fiber optic applications.
💡 Hint: Consider the nature of how laser beams propagate.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.