Theory of Laser Quiz

What does the term 'laser' stand for?

• Luminous Amplification by Solar Energy

• Light Absorption by Scattered Electrons of Radiation

• Light Amplification by Stimulated Emission of Radiation

• Loud Audio Sound Emitting Radio

What is the primary source of energy in a laser?

• Light

• Heat

• Electricity

• Sound

What is the process of emission of light in a laser called?

• glowing

• radiating

• shining

• lasing

What is the name of the device that amplifies light in a laser?

• beam expander

• laser cutter

• gain medium

• light absorber

What is the color of the laser beam produced by a helium-neon laser?

• blue

• red

• yellow

• green

What is the term used for the bouncing of light back and forth in the laser cavity?

• laser oscillation

• beam deflection

• laser reverberation

• light reflection

What is the name of the material that is used as the gain medium in a laser?

• shining medium

• glowing medium

• lasing medium

• illuminating medium

What is the term used for the ability of a laser to produce a narrow beam of light?

• divergence

• diffraction

• refraction

• collimation

What is the name of the scientist who first proposed the theory of stimulated emission of radiation?

• Albert Einstein

• Marie Curie

• Galileo Galilei

• Isaac Newton

What is the application of lasers in barcode scanners called?

• Laser scanning

• Barcode beaming

• Light beaming

• Laser printing