Max Planck, Quantum Theory
- 1. Max Planck was a pivotal figure in the development of quantum theory, a groundbreaking framework that transformed our understanding of the microscopic world. Born in 1858 in Germany, Planck initially pursued a career in physics and gradually became interested in the behavior of energy at the atomic and subatomic levels. In 1900, he introduced the concept of quantization, proposing that energy is not emitted or absorbed continuously, but rather in discrete units called 'quanta.' This revolutionary idea emerged from his work on black-body radiation, where he sought to explain the observed spectrum of light emitted by heated objects. Planck derived his famous equation, revealing that the energy of these quanta is proportional to the frequency of the radiation emitted, fundamentally altering the classical physics paradigm. His work laid the groundwork for the development of quantum mechanics, influencing subsequent physicists such as Albert Einstein and Niels Bohr. Planck's contributions earned him the Nobel Prize in Physics in 1918, and he is often regarded as the father of quantum theory, a field that would eventually lead to the development of technologies such as semiconductors, lasers, and quantum computers, showcasing the profound implications of his early 20th-century discoveries.
Who is known as the father of quantum theory?
A) Max Planck
B) Werner Heisenberg
C) Albert Einstein
D) Niels Bohr
- 2. In what year did Max Planck propose the revolutionary idea of quantization of energy?
A) 1925
B) 1900
C) 1885
D) 1910
- 3. Which phenomenon does quantum theory address that classical physics cannot explain?
A) Newton's laws of motion
B) Kepler's laws of planetary motion
C) Maxwell's equations
D) Blackbody radiation
- 4. Which branch of physics deals with the behavior of matter and energy at atomic and subatomic scales?
A) Quantum mechanics
B) Classical mechanics
C) Thermodynamics
D) Electrodynamics
- 5. What is the term for the phenomenon where two particles become entangled and their properties are correlated regardless of the distance between them?
A) Quantization
B) Duality
C) Entanglement
D) Superposition
- 6. Who developed the famous uncertainty principle that states the position and momentum of a particle cannot both be precisely determined?
A) Erwin Schrödinger
B) Werner Heisenberg
C) Richard Feynman
D) Paul Dirac
- 7. The theory of quantum mechanics served as the foundation for the development of which computing technology?
A) Analog computing
B) Cloud computing
C) Digital computing
D) Quantum computing
- 8. What is the term for the principle that describes the ability of a system to exist in multiple states at the same time?
A) Duality
B) Superposition
C) Quantization
D) Entanglement
- 9. What is the term for the process of connecting quantum systems across large distances through entanglement?
A) Quantum entanglement
B) Entanglement transfer
C) Quantum teleportation
D) Quantum synchronization
- 10. What is the term for the mathematical construct in quantum mechanics that describes the probability of finding a particle in a particular state?
A) Quantum field
B) Wave function
C) Hamiltonian operator
D) Probability density
- 11. What is the name of the experiment that demonstrates the wave-particle duality of light?
A) Double-slit experiment
B) Photoelectric effect
C) Compton scattering
D) Blackbody radiation
- 12. What is the formula for calculating the energy of a photon?
A) E = 1/2 mv2
B) E = mc2
C) E = kQ1Q2/r
D) E = hf
- 13. What term refers to the bending of light around obstacles?
A) Reflection
B) Diffraction
C) Dispersion
D) Refraction
- 14. What type of experiment confirmed the wave-like nature of electrons?
A) Hertz experiment
B) Rutherford gold foil experiment
C) Millikan oil drop experiment
D) Davisson-Germer experiment
- 15. Who developed the famous thought experiment involving a cat in a closed box?
A) Niels Bohr
B) Erwin Schrödinger
C) Louis de Broglie
D) Werner Heisenberg
- 16. Who formulated the famous equation E=mc2?
A) Niels Bohr
B) Max Planck
C) Erwin Schrödinger
D) Albert Einstein
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