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Einstein, quanta in light and atoms
Contributed by: Bannister
  • 1. Who is known for the theory of relativity?
A) Albert Einstein
B) Galileo Galilei
C) Isaac Newton
D) Nikola Tesla
  • 2. What is the speed of light in a vacuum?
A) 299,792,458 meters per second
B) 500,000,000 meters per second
C) 100,000,000 meters per second
D) 150,000 meters per second
  • 3. What does E=mc2 represent?
A) Velocity formula
B) Atomic structure
C) Equivalence of mass and energy
D) Electromagnetic wave equation
  • 4. Which experiment demonstrated the wave-particle duality of light?
A) Stern-Gerlach experiment
B) Double-slit experiment
C) Michelson-Morley experiment
D) Compton scattering
  • 5. Who formulated the uncertainty principle?
A) Niels Bohr
B) Max Planck
C) Erwin Schrödinger
D) Werner Heisenberg
  • 6. What is a photon?
A) An electron neutrino
B) A type of quark
C) A unit of magnetic field
D) A fundamental particle of light
  • 7. In the photoelectric effect, what happens when light hits a metal surface?
A) The metal heats up
B) The metal changes color
C) Electrons are ejected from the metal
D) The metal expands
  • 8. Which property of light can be explained using photon theory?
A) Polarization
B) Photoelectric effect
C) Diffraction
D) Interference
  • 9. What is the term for the smallest unit of light?
A) Quark
B) Neutrino
C) Photon
D) Boson
  • 10. What are the energy levels in an atom where electrons can exist called?
A) Protons
B) Orbitals
C) Neutrons
D) Shells
  • 11. Who was the first physicist to propose the existence of quantized energy levels in atoms?
A) Erwin Schrödinger
B) Louis de Broglie
C) Werner Heisenberg
D) Niels Bohr
  • 12. What happens in quantum superposition?
A) State decays to a single possibility
B) State of a system is a combination of multiple states simultaneously
C) Particles are entangled at a distance
D) Particles exhibit wave-particle duality
  • 13. What is the Pauli Exclusion Principle in atomic physics?
A) Electrons have fixed trajectories
B) No two electrons in an atom can have the same set of quantum numbers
C) Electrons repel each other
D) Electrons attract protons
  • 14. Which property of light is used in calculating the energy of a photon?
A) Amplitude
B) Frequency
C) Wavelength
D) Speed
  • 15. Who proposed the wave-particle duality principle?
A) Louis de Broglie
B) Max Planck
C) Erwin Schrödinger
D) Werner Heisenberg
  • 16. In which year did Albert Einstein receive the Nobel Prize in Physics for his explanation of the photoelectric effect?
A) 1931
B) 1915
C) 1905
D) 1921
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