1. State Hooke's law for harmonic motion? 2. What is meant by resonance of a string oscillation? 3. What is the difference between node and antinode?

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1. State Hooke's law for harmonic motion?
2. What is meant by resonance of a string oscillation?
3. What is the difference between node and antinode?
4. Explain the condition for oscillation of a string of length L fixed at both ends
5. What are the factors affecting natural frequency of a string?
6. Write down the relationship between velocity of propagation of a wave along a string
having linear mass u and tension T
7. Explain why the lever must be horizontal to determine the tension of the string from
the hanging mass (hint: torque equilibrium)
8. Explain how does a pick-up coil (microphone) work
9. What is cross-talk?
Transcribed Image Text:1. State Hooke's law for harmonic motion? 2. What is meant by resonance of a string oscillation? 3. What is the difference between node and antinode? 4. Explain the condition for oscillation of a string of length L fixed at both ends 5. What are the factors affecting natural frequency of a string? 6. Write down the relationship between velocity of propagation of a wave along a string having linear mass u and tension T 7. Explain why the lever must be horizontal to determine the tension of the string from the hanging mass (hint: torque equilibrium) 8. Explain how does a pick-up coil (microphone) work 9. What is cross-talk?
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