Practice Millikan’s Experiment - 3.1 | Chapter 7: Dual Nature of Matter and Radiation | ICSE Class 12 Physics
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3.1 - Millikan’s Experiment

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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

What is stopping potential?

💡 Hint: It’s related to the emitted electrons' movement.

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 about light?

  • Light behaves only as a wave.
  • Light has mass.
  • Light has both wave and particle properties.

💡 Hint: Think about how we can observe both characteristics in experiments.

Question 2

True or False: The intensity of light affects the kinetic energy of emitted electrons.

  • True
  • False

💡 Hint: Recall how intensity interacts with the number of emitted electrons.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

An electron is emitted with a stopping potential of 2V when illuminated with light of frequency 5 x 10^14 Hz. Calculate its maximum kinetic energy in joules given that the charge of an electron is 1.6 x 10^-19 C.

💡 Hint: Substitute the values carefully and remember units.

Question 2

If the work function of a material is 4.5 eV, what is the threshold frequency? Convert your final answer to Hz.

💡 Hint: Keep track of unit conversions carefully.

Challenge and get performance evaluation