A student makes the following statements about wave particle duality - Scottish Highers Physics - Question 13 - 2023
Question 13
A student makes the following statements about wave particle duality.
I The photoelectric effect is evidence supporting the particle model of light.
II Interference... show full transcript
Worked Solution & Example Answer:A student makes the following statements about wave particle duality - Scottish Highers Physics - Question 13 - 2023
Step 1
I The photoelectric effect is evidence supporting the particle model of light.
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Answer
This statement is correct. The photoelectric effect demonstrates that light can behave as a particle, since photons can eject electrons from materials when they possess sufficient energy.
Step 2
II Interference is evidence supporting the wave model of light.
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Answer
This statement is also correct. The phenomenon of interference can only be explained through the wave model of light, where overlapping waves create regions of constructive and destructive interference.
Step 3
III Photons of sufficient energy can eject electrons from the surface of metals.
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Answer
This statement is correct as well. According to the photoelectric effect, when photons have enough energy (typically related to their frequency), they can trigger the ejection of electrons from metal surfaces.
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