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WorksheetsQuantum Theory Quiz
Total questions: 10
Worksheet time: 5mins
Who proposed the quantum theory to explain black body radiation?
Einstein
Planck
Bohr
de Broglie
What is the energy of a photon with frequency ( f )?
( hf )
( h/f )
( f/h )
( h + f )
What physical phenomenon could not be explained by classical physics and led to quantum theory?
Diffraction
Interference
Ultraviolet catastrophe
Reflection
The unit of Planck’s constant is:
J
J•s
s
N•m
The photoelectric effect supports which property of light?
Wave
Particle
Magnetic
Electric
Who explained the photoelectric effect using photons?
Newton
Bohr
Einstein
Schrödinger
de Broglie wavelength is inversely proportional to:
Mass
Energy
Momentum
Speed
What is the symbol for the wavefunction in Schrödinger’s equation?
( \lambda )
( \psi )
( \theta )
( \alpha )
The energy levels in an infinite potential well are:
Continuous
Negative
Quantized
Zero
In quantum tunnelling, a particle crosses a barrier:
Only if it has more energy
Only if the barrier is weak
Even if it has less energy than the barrier
Only in vacuum
