Practice Activity - 1.2 | 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 medium do sound waves travel fastest in?

💡 Hint: Think about what is denser: solid, liquid, or gas.

Question 2

Easy

What happens to the sound when you strike a tuning fork?

💡 Hint: Consider how the object changes when struck.

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 frequency range of human hearing?

  • 20 Hz - 20 kHz
  • 1 kHz - 10 kHz
  • 50 Hz - 20 kHz

💡 Hint: Consult the frequency table we discussed.

Question 2

True or False: Sound can travel in a vacuum.

  • True
  • False

💡 Hint: Consider what a medium is and why it's necessary for sound.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A student measures the time it takes for a sound wave to travel 200 meters and return in 0.6 seconds. Calculate the speed of sound based on this data.

💡 Hint: Remember, the time is for a round trip!

Question 2

You have two strings of the same length but different materials—one is thick, and the other is thin. Predict which one will transmit sound better and why.

💡 Hint: Consider how tension and mass impact vibrations.

Challenge and get performance evaluation