Introduction to History of Quantum Theory

Schrodinger's equation described the

• procedure for splitting an atom
• complement of the wave function
• behavior of "matter" waves
• motion of light

Schrodinger's cat experiment tested

• the probability of quantum tunneling
• Bohr's atomic model
• whether a quantum system could exist in multiple states
• radioactive decay in Plutonium

Which physicist proposed the uncertainty principle in 1927?

• Niels Bohr
• Albert Einstein
• Arnold Schrodinger
• Werner Heisenberg

Which two characteristics are variables in Heisenberg's uncertainty principle?

• wavelength and distance
• position and momentum
• charge and displacement
• atomic radius and frequency

What does the observer do?

• The observer collapses the wave function into particle.

• The observer collapses the particle into a wave function.

• The observer collapses the whole system simply by observing.

• The observer collapses the wave function into a wave.

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

If electrons in an atom have the lowest possible energies, the atom is in the

• ground state.
• inert state.
• excited state.
• radiation-emitting state.

To excite an atom, there needs be...

• Absorption of energy

• Emission of energy

• Movement of electrons

• A proton

When an electron transitions from a higher energy level to a lower energy level....

• The electron collapse to the nucleus

• The electron loses all its energy

• Light is emitted

• Light is absorbed by the protons

As an electron gets closer to the nucleus the ...........to the nucleus gets..........

• attraction; weaker

• attraction; stronger

• repulsion; weaker

• repulsion; stronger