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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 what happens when light shines on a metal.
Question 2
Easy
Define wave-particle duality.
💡 Hint: Consider examples of both light and electrons.
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 does the photoelectric effect demonstrate?
- That light is purely a wave
- That light behaves as a particle
- That light can be both wave and particle
💡 Hint: Focus on the role of photons.
Question 2
Is it true that de Broglie’s hypothesis suggests that matter has wave-like characteristics?
- True
- False
💡 Hint: Recall the formula for wavelength.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A zinc plate is illuminated by UV light and emits electrons. Discuss the relationship between the light's frequency and the energy of the emitted electrons.
💡 Hint: Refer to Einstein's photoelectric equation.
Question 2
Using de Broglie’s hypothesis, calculate the wavelength of an electron with a velocity of 1.5 x 10^6 m/s and mass of 9.11 x 10^-31 kg.
💡 Hint: Don't forget to calculate momentum first.
Challenge and get performance evaluation