Practice Conclusion (6.4) - Dual Nature of Matter and Radiation

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6 sample questions

Question 1.
What is the photoelectric effect?
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Think about what happens to metals when light hits them.
Question 2.
What does the work function refer to?
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Focus on the energy aspect of electron emission.
3Question 3.
What phenomenon demonstrates light's particle nature?
- Diffraction
- Interference
- Photoelectric Effect
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Consider how light interacts with metals.
4Question 4.
Is it true that matter cannot exhibit wave properties?
- True
- False
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Think about the de Broglie hypothesis on electrons.
Question 5.
Calculate the wavelength of a photon with a frequency of 5 x 10^14 Hz.
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Remember that the speed of light and frequency relate to wavelength.
Question 6.
If an electron's momentum is known to be 3.20 x 10^-24 kg·m/s, what is the uncertainty in its position?
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Consider how momentum links to position in measurements.

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