Practice Did You Know? - 8 | Chapter 7 : Sound | ICSE Class 8 Physics
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the frequency range of human hearing?

💡 Hint: Think about the lowest and highest pitches you can hear.

Question 2

Easy

What unit measures sound loudness?

💡 Hint: It starts with a 'D' and is related to intensity.

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 speed of sound in air?

  • 343 m/s
  • 1500 m/s
  • 5000 m/s

💡 Hint: It's slower than in liquids.

Question 2

True or False: Dolphins can hear higher frequencies than humans.

  • True
  • False

💡 Hint: Think about how well they adapt to their underwater environment.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Discuss the impact of temperature on the speed of sound in air and provide a detailed explanation.

💡 Hint: Consider how a hot day feels different when talking.

Question 2

Design an experiment to measure sound speed in a typical classroom. What materials would you need, and what steps would you take?

💡 Hint: Think back to echoes and how they can be used.

Challenge and get performance evaluation