Practice ELECTRON EMISSION - 11.2 | 11. DUAL NATURE OF RADIATION AND MATTER | CBSE 12 Physics Part 2
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define electron emission.

💡 Hint: Look for the definition in the glossary.

Question 2

Easy

What is the work function?

💡 Hint: Consider the energy aspect required for electron emission.

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 required for electron emission to occur?

  • High temperature
  • Sufficient energy
  • Vacuum conditions

💡 Hint: Think about the conditions necessary for electrons to escape.

Question 2

True or False: The work function is the same for all metals.

  • True
  • False

💡 Hint: Consider how the properties of metals affect electron emission.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Calculate the energy required to emit an electron from a metal with a work function of 4 eV.

💡 Hint: Think of the work function as the energy threshold.

Question 2

Explain how the photoelectric effect could be used in a solar panel.

💡 Hint: Consider the relationship between light and electrical energy generation.

Challenge and get performance evaluation