
Photoelectric Effect Concepts
Interactive Video
•
Physics
•
11th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main concept being tested in the first question of the problem set?
The effect of light intensity on photocurrent
The comparison of work functions
The calculation of stopping potential
The relationship between light frequency and electron ejection
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which factor affects the rate of photocurrent according to the photoelectric effect?
Frequency of light
Color of light
Intensity of light
Wavelength of light
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which metal has a higher threshold frequency, potassium or tungsten?
Both have the same threshold frequency
Tungsten
It depends on the light intensity
Potassium
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between work function and threshold frequency?
Work function is inversely proportional to threshold frequency
Work function is unrelated to threshold frequency
Work function is directly proportional to threshold frequency
Work function is only affected by light intensity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which metal has a higher work function, potassium or tungsten?
It depends on the light frequency
Both have the same work function
Tungsten
Potassium
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the stopping potential of a certain metal if the maximum kinetic energy of photoelectrons is 5 electron volts?
20 volts
15 volts
5 volts
10 volts
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the maximum kinetic energy of photoelectrons calculated using stopping potential?
By multiplying stopping potential with the charge of an electron
By adding stopping potential to the charge of an electron
By dividing stopping potential by the charge of an electron
By subtracting stopping potential from the charge of an electron
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