Practice Propagation of Sound - 11.2 | 11. Sound | CBSE 9 Science
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a compression in a sound wave?

💡 Hint: Think about how air molecules are organized during sound transmission.

Question 2

Easy

Can sound travel in a vacuum?

💡 Hint: Consider where sound travels best.

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 happens to sound in a vacuum?

  • True
  • False

💡 Hint: Think about what a medium is.

Question 2

Which region of a sound wave has high pressure?

  • Compression
  • Rarefaction
  • Equilibrium

💡 Hint: Consider what happens to molecules during sound travel.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Explain why sound cannot be heard in space and how this relates to sound propagation principles.

💡 Hint: Reflect on the properties required for sound travel.

Question 2

Given a medium's density is increased, predict the effect on sound wave speed and provide a reasoning.

💡 Hint: Consider how particle arrangement impacts sound transmission.

Challenge and get performance evaluation