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problem 1) Answer all the problems:

a) Briefly describe is quality factor? Also interpret its physical significance.

b) Describe the principle of total internal reflection.

c) describe the principle of a sonar system.

d) Define acoustic impedance of a medium with appropriate ex.

e) What is a musical note? Describe with the help of suitable diagram and ex.

problem 2) Demonstrate that the total energy of the system is equal to sum of energies associated with the two modes.

problem 3) Define force constant of a spring. Demonstrate that in S.H.M., the acceleration is directly proportional to its displacement at that given instant.

problem 4) Define elastic potential energy? Derive its expression per unit length?

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  • Category:- Physics
  • Reference No.:- M94247

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