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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for wave speed?
💡 Hint: Think about how frequency and wavelength relate to wave movement.
Question 2
Easy
In which medium does sound travel fastest?
💡 Hint: Consider how closely packed the particles are in a medium.
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 formula do we use to calculate the speed of a wave?
- v = f / λ
- v = f × λ
- v = λ / f
💡 Hint: Remember the correct order of the variables.
Question 2
Is sound faster in air than in water?
- True
- False
💡 Hint: Think about how particles are arranged in different states of matter.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Suppose a sonar device sends out a sound wave with a frequency of 30 kHz in water. Calculate the wavelength if the speed of sound in water is 1482 m/s.
💡 Hint: Don’t forget to convert units properly!
Question 2
An experiment shows sound at room temperature (20°C) traveling at 343 m/s. What is the change in speed of sound at 50°C?
💡 Hint: Remember the formula for sound speed found in air.
Challenge and get performance evaluation