LL13 [Quantum Mechanics Part 1 Video]

What was the traditional view of light before the 19th century?

• Light was not studied scientifically.

• Light was considered a form of chemical reaction.

• Light was considered a wave.

• Light was considered a particle.

What does the ultraviolet catastrophe refer to?

• A disaster caused by ultraviolet light exposure.

• A theoretical problem in classical physics regarding blackbody radiation.

• A type of ultraviolet light that causes physical catastrophes.

• None of the above.

What key concept did Max Planck introduce to resolve the ultraviolet catastrophe?

• Conservation of energy

• Quantization of energy

• Particle theory of light

• Wave theory of light

According to the particle theory, what determines the maximum kinetic energy of ejected electrons in the photoelectric effect?

• The type of metal used

• The angle of light incidence

• The frequency of the light

• The intensity of the light

What phenomenon demonstrates the wave-particle duality of light?

• Blackbody radiation

• The photoelectric effect

• Planck's quantum theory

• Einstein's theory of relativity