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Test Your Knowledge (Photoelectric Effect)
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There is a total of 3 points to be gained. Don't worry if you get something wrong, have a discussion with a friend and discuss your answers.
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Email
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Your email
Student Name
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Your answer
What year group are you?
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Year 9 or below
Year 10
Year 11
Year 12
Undergraduate
Postgraduate
Have you already performed the Photoelectric Effect experiment?
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Yes
No
What is a photon?
1 point
An atom (protons, neutrons and electrons)
A quantised packet of electromagnetic energy (light)
The heaviest particle detected so far
Clear selection
Photon wavelength vs energy
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5 points
Red Photon (600nm)
Green Photon (550nm)
Blue Photon (400nm)
Which photon has a higher energy: red or blue?
Which photon (red or blue) would require a larger stopping voltage?
Which photon has a longer wavelength?
Which photon would create higher energy electrons?
Which photon would have a smaller stopping voltage?
Red Photon (600nm)
Green Photon (550nm)
Blue Photon (400nm)
Which photon has a higher energy: red or blue?
Which photon (red or blue) would require a larger stopping voltage?
Which photon has a longer wavelength?
Which photon would create higher energy electrons?
Which photon would have a smaller stopping voltage?
How did changing the intensity affect the stopping voltage?
1 point
Stopping Voltage value
Change photon frequency
Time to build up charge
Clear selection
What is the general relationship between photon frequency and energy?
1 point
Linear (straight line)
Quadratic (parabola)
Inverse Square Law (a curve)
Clear selection
What is the work function?
1 point
The minimum energy required to eject an electron from the surface.
The maximum energy required to eject an electron from the surface.
The minimum energy required to create a photon.
Clear selection
What is the stopping voltage(potential)?
1 point
The amount of energy to create a photon.
The amount of energy to change Planck's constant.
The maximum kinetic energy of the electrons emitted as a result of the photoelectric effect.
Clear selection
Does the photoelectric effect demonstrate the wave or particle nature of light?
1 point
The Photoelectric Effect experiment demonstrates the wave behaviour of light
The Photoelectric Effect experiment demonstrates the particle behaviour of light
The Photoelectric Effect experiment demonstrates both the wave and particle behaviour of light
Clear selection
On a scale of 1-5, how much did you enjoy the FARLabs experiment?
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5 Stars (Best experiment ever)
4 Stars
3 Stars (Average)
2 Stars
1 Star (Worst experiment ever)
On a scale of 1-5, do you think the Turntable experiment helped in your understanding of radiation?
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5 Stars (I improved my understanding)
4 Stars
3 Stars (It neither helped nor hindered my understanding)
2 Stars
1 Star (It was confusing)
Please leave any comments or feedback on this experiment below.
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