The photoelectric effect experiment was sig- nificant because 1. it led to the d

Question

The photoelectric effect experiment was sig- nificant because

1. it led to the development of the Heisen- berg Uncertainty Principle, a revolutionary development that forced us to abandon the idea of determinacy at the atomic scale and accept that all we can know are the probabil- ities of future outcomes.

2. it proved that atoms cannot exist if the rules of classical physics were obeyed on the atomic scale.

3. it required us to accept the fact that light can behave like particles, in contrast to the teachings of classical physics.

4. it demonstrated the existence of quan- tized states in atoms.

5. it showed us how to make an instrument to detect light by converting photons into electrons, ultimately leading to the invention of the television camera.

Explanation / Answer

3. it required us to accept the fact that light can behave like particles, in contrast to the teachings of classical physics.

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