Quantum mechanics Quiz: questions and answers

For each question choose one of the multiple answers then click done to check your results.

1. What is quantum mechanics?

The study of macroscopic, atomic, subatomic, and particulate phenomena in chemical systems

A fundamental theory in physics which describes nature at the smallest scales of energy levels of atoms and subatomic particles

The field of physics that studies the nature of astronomical objects

2. When were the foundations of quantum mechanics established?

Second half of the 20th century

First half of the 19th century

First half of the 20th century

3. Who was the founder of the quantum theory?

Niels Bohr

Peter Debye

Max Planck

4. What is the Planck constant h?

A physical constant which is the value of magnetic permeability in a classical vacuum

An empirical physical constant involved in the calculation of gravitationaleffects

A physical constant which relates the energy carried by a photon to its frequency

5. Who offered a quantum-based theory to explain the photoelectric effect?

Arnold Sommerfield

Ludwig Boltzmann

Albert Einstein

6. When did Erwin Schrödinger suggest a partial differential equation for the wave functions of particles like electrons?

1928

1926

1924

7. What is the name of the process of transition from a classical understanding of physical phenomena to a newer understanding known as quantum mechanics?

Principle of uncertainty

Quantization

Quantum entanglement

8. What does the Schrödinger equation describe?

How electomagnetic waves can physically propagate through space

How wave functions change in time

How electrons orbit an atom's nucleus

9. Who proposed the "transformation theory"?

Paul Dirac

Niels Bohr

Werner Heisenberg

10. When did Werner Heisenberg award the Nobel Prize in Physics for the creation of quantum mechanics?

1934

1936

1932

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