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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the photoelectric effect?
💡 Hint: Think about how light interacts with metal surfaces.
Question 2
Easy
Define work function.
💡 Hint: It's an energy barrier the electrons must overcome.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the term for the minimum energy needed to remove an electron from a metal?
- Threshold Frequency
- Photon
- Work Function
💡 Hint: Consider which term refers to energy barriers in metals.
Question 2
True or False: The maximum kinetic energy of emitted electrons depends on the intensity of the incoming light.
- True
- False
💡 Hint: Think about how intensity affects the number of photons but not their energy.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A metal has a work function of 3.0 eV. If illuminated with light of frequency 8.0 x 10^14 Hz, calculate the maximum kinetic energy of the emitted electrons.
💡 Hint: Use the provided frequency to derive photon energy first.
Question 2
If a photon has a momentum of 4.1 x 10^-27 kg·m/s, what frequency of light does it correspond to?
💡 Hint: Consider the relationships between momentum, wavelength, and frequency.
Challenge and get performance evaluation