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The ‘Rydberg Formula’ is used to calculate:
A. Wavelengths of spectral lines in hydrogen
B. Energy levels in a quantum harmonic oscillator
C. Gravitational force between two masses
D. Photon momentum
Answer: Wavelengths of spectral lines in hydrogen
Subjects: Modern Physics, Physics
The ‘Planck Length’ is a fundamental constant associated with:
A. Quantum gravity
B. The speed of light
C. The mass of an electron
D. The charge of a proton
Answer: Quantum gravity
Subjects: Modern Physics, Physics
The ‘Quantum Entanglement’ phenomenon was famously referred to as:
A. Spooky action at a distance
B. Wave-particle duality
C. Quantum tunneling
D. Heisenberg uncertainty
Answer: Spooky action at a distance
Subjects: Modern Physics, Physics
The ‘Heisenberg Uncertainty Principle’ is mathematically expressed in terms of:
A. The product of uncertainties in position and momentum
B. The energy of a photon
C. The wavelength of a particle
D. The velocity of an electron
Answer: The product of uncertainties in position and momentum
Subjects: Modern Physics, Physics
The ‘Photoelectric Effect’ demonstrated that:
A. Light can be described as particles called photons
B. Electrons orbit in fixed shells
C. Atoms emit radiation in discrete quanta
D. Light behaves only as a wave
Answer: Light can be described as particles called photons
Subjects: Modern Physics, Physics
The ‘Wave-Particle Duality’ principle was proposed by:
A. Louis de Broglie
B. Niels Bohr
C. Albert Einstein
D. Max Planck
Answer: Louis de Broglie
Subjects: Modern Physics, Physics
The ‘Hawking Radiation’ is associated with:
A. Black holes emitting radiation due to quantum effects
B. Quantum entanglement of particles
C. The photoelectric effect
D. The Doppler effect
Answer: Black holes emitting radiation due to quantum effects
Subjects: Modern Physics, Physics
The ‘Uncertainty Principle’ implies that:
A. Certain pairs of physical properties cannot be measured precisely simultaneously
B. Energy and time can be measured exactly
C. The position of a particle can be known exactly
D. Particles have definite trajectories
Answer: Certain pairs of physical properties cannot be measured precisely simultaneously
Subjects: Modern Physics, Physics
The ‘Quantum Harmonic Oscillator’ model describes:
A. Particles in a potential well with a parabolic shape
B. Particles in a uniform magnetic field
C. Electrons in a hydrogen atom
D. Photons in a cavity
Answer: Particles in a potential well with a parabolic shape
Subjects: Modern Physics, Physics