Practice Objective - 6.1 | Chapter 7: Dual Nature of Matter and Radiation | ICSE Class 12 Physics
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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 light and metal interaction.

Question 2

Easy

What does 'h' represent in Einstein’s equation?

💡 Hint: It's a fundamental constant in quantum mechanics.

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 nature of light as proposed by wave-particle duality?

  • Only a wave
  • Only a particle
  • Both wave and particle

💡 Hint: Recall the definitions of waves and particles.

Question 2

True or False: Increasing the frequency of light always increases the intensity.

  • True
  • False

💡 Hint: Think about how intensity and frequency are different.

Solve 3 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Using a metal with a work function of 4 eV, calculate the threshold frequency for the photoelectric effect.

💡 Hint: Start with the equation for threshold frequency.

Question 2

Design an experiment that uses the photoelectric effect to determine the Planck constant.

💡 Hint: Think about how you can measure electrical output from emitted electrons.

Challenge and get performance evaluation