Practice Practice Problems - 8 | Non-Dispersive Transverse and Longitudinal Waves in 1D & Introduction to Dispersion | Physics-II(Optics & Waves)
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a standing wave?

πŸ’‘ Hint: Think about how waves can cancel each other at certain points.

Question 2

Easy

What happens when a wave hits a fixed boundary?

πŸ’‘ Hint: Consider the direction of displacement at fixed ends.

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Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is a standing wave?

  • A wave that travels indefinitely
  • A wave that remains in a fixed position
  • A wave that only travels in one direction

πŸ’‘ Hint: Think about how waves can create stationary patterns.

Question 2

True or False: The fundamental frequency is the highest frequency at which a string can vibrate.

  • True
  • False

πŸ’‘ Hint: Recall the definition of fundamental frequency.

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Challenge Problems

Push your limits with challenges.

Question 1

A string fixed at both ends vibrates at its second eigenfrequency. If its length is 2 m and wave speed is 400 m/s, calculate the second eigenfrequency.

πŸ’‘ Hint: Follow the eigenfrequency formula closely.

Question 2

You have an open-closed pipe with a length of 1.5 m. If the speed of sound is 340 m/s, find the fundamental frequency and the first overtone.

πŸ’‘ Hint: Use n values appropriate for the harmonic you are calculating.

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