1. Summarize your observations in three separate tables, as shown in the lab manual 2. Is there a difference between the stopping potential for the different intensities of light? 3. On the same graph, plot the stopping potential versus frequency for all intensities as a scatter plot. Use different symbols for each intensity and indicate the intensity (either aperture size or % transmission) on the graph legend. 4. 5. Fit a straight regression line on the data. Calculate the following 1. work function for the photodiode, 2. Plank's constant, 3. Threshold frequency of the photoelectric effect for this photodiode 6. What id photoelectric effect 7. Summarize three fundamental differences of the classical and quantum models of light, regarding photoelectric effect 8. Define the following concept with regards to light or photons (distinguished between the classical and quantum model of light or photons where applicable) 1. Intensity 2. Frequency 3. Energy 4. Coherent light source 5. Dispersion 6. Name three (3) application of photoelectric effect Colour Ultraviolet Violet Blue Green Yellow Wavelength (nm) 365 404.7 435.8 546.1 577 Frequency Stopping Potential 20 80 100 1.49 1.54 1.53 1.36 1.58 1.69 1.42 1.46 1.41 0.76 1.33 0.66 0.75 1.25 0.57
1. Summarize your observations in three separate tables, as shown in the lab manual 2. Is there a difference between the stopping potential for the different intensities of light? 3. On the same graph, plot the stopping potential versus frequency for all intensities as a scatter plot. Use different symbols for each intensity and indicate the intensity (either aperture size or % transmission) on the graph legend. 4. 5. Fit a straight regression line on the data. Calculate the following 1. work function for the photodiode, 2. Plank's constant, 3. Threshold frequency of the photoelectric effect for this photodiode 6. What id photoelectric effect 7. Summarize three fundamental differences of the classical and quantum models of light, regarding photoelectric effect 8. Define the following concept with regards to light or photons (distinguished between the classical and quantum model of light or photons where applicable) 1. Intensity 2. Frequency 3. Energy 4. Coherent light source 5. Dispersion 6. Name three (3) application of photoelectric effect Colour Ultraviolet Violet Blue Green Yellow Wavelength (nm) 365 404.7 435.8 546.1 577 Frequency Stopping Potential 20 80 100 1.49 1.54 1.53 1.36 1.58 1.69 1.42 1.46 1.41 0.76 1.33 0.66 0.75 1.25 0.57
Chapter12: Relativity, Particle Physics, And Cosmology
Section: Chapter Questions
Problem 10Q: (Indicates a review question, which means it requires only a basic understanding of the material to...
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Transcribed Image Text:1. Summarize your observations in three separate tables, as shown in the lab manual
2. Is there a difference between the stopping potential for the different intensities of
light?
3. On the same graph, plot the stopping potential versus frequency for all intensities as a
scatter plot. Use different symbols for each intensity and indicate the intensity (either
aperture size or % transmission) on the graph legend.
4. Fit a straight regression line on the data.
5. Calculate the following
1. work function for the photodiode,
2. Plank's constant,
3. Threshold frequency of the photoelectric effect for this photodiode
6. What id photoelectric effect
7. Summarize three fundamental differences of the classical and quantum models of
light, regarding photoelectric effect
8. Define the following concept with regards to light or photons (distinguished between
the classical and quantum model of light or photons where applicable)
1. Intensity
2. Frequency
3. Energy
4. Coherent light source
5. Dispersion
6. Name three (3) application of photoelectric effect
Stopping Potential
80
Colour
Wavelength (nm)
Frequency
20
100
1.49 1.54
1.36 | 1.58
1.42 1.46
0.76 1.33
0.75 1.25
Ultraviolet
365
1.53
Violet
404.7
1.69
Blue
435.8
1.41
Green
546.1
0.66
Yellow
577
0.57
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