Practice INTRODUCTION - 9.1 | 9. RAY OPTICS AND OPTICAL INSTRUMENTS | 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 light in terms of electromagnetic radiation.

💡 Hint: Think about the visible spectrum.

Question 2

Easy

What is the speed of light in a vacuum?

💡 Hint: Remember the maximum speed known in nature.

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 range of wavelengths considered as light?

  • 100 nm to 400 nm
  • 400 nm to 750 nm
  • 700 nm to 1000 nm

💡 Hint: Look for the range given in the section.

Question 2

True or False: The speed of light is the fastest speed attainable in nature.

  • True
  • False

💡 Hint: Consider what the text states about light's speed.

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Challenge Problems

Push your limits with challenges.

Question 1

If light travels through different media with varying densities, what would be the expected behavior when it transitions from air to water, and then from water to glass?

💡 Hint: Remember how refraction works at the boundaries of different media.

Question 2

Discuss how the knowledge of light's speed is crucial for technologies relying on precise timing, like GPS. Consider the time it takes light to communicate signals.

💡 Hint: Link the speed of light to practical applications where timing is essential.

Challenge and get performance evaluation