post module assignment Q 19

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Eugene Chung 3F
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post module assignment Q 19

Postby Eugene Chung 3F » Wed Oct 23, 2019 12:34 am

is the answer D? I feel like A, B, C are right because they explain the main photoelectric effect equation showing conservation of energy
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Kavya Immadisetty 2B
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Re: post module assignment Q 19

Postby Kavya Immadisetty 2B » Wed Oct 23, 2019 12:55 am

Yes, the answer is D. The first three are all variations of the energy change between a photon and the electron/metal.
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JOtomo1F
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Re: post module assignment Q 19

Postby JOtomo1F » Wed Oct 23, 2019 1:35 am

D does not represent the photoelectric effect. Instead, the equation shows the inverse relationship of frequency and wavelength.
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Doreen Liu 4D
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Re: post module assignment Q 19

Postby Doreen Liu 4D » Wed Oct 23, 2019 11:11 am

The answer should be D. None of the other ones is a correct representation of the photoelectric effect.
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Michelle Le 1J
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Re: post module assignment Q 19

Postby Michelle Le 1J » Wed Oct 23, 2019 11:40 am

It's D because even though we use that equation often while trying to solve photoelectric effect-related problems, it is not an equation we use to describe what is going on in the photoelectric effect. D is the equation we use to find either the frequency or wavelength of a photon, as it is the classical mechanics description of light.
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