Practice Activity (1.2) - Chapter 7 : Sound - ICSE 8 Physics
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Practice Questions

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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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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!

Challenge 2 Hard

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.

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