11) What is a photon?
12) What do quantum mechanics equations describe?
13) What is the most important equation in quantum physics?
14) What is a wavefunction?
15) What is the difference between classical and quantum physics?
16) What is a qubit?
17) What are superposition and entanglement related to?
18) What property distinguishes fermions from bosons?
19) What does Planck's constant represent?
20) What law describes the behavior of particles on a quantum scale?