Applied Physics I: Chapter 4: Oscillations and Waves
Oscillations and Waves: Important part‒B questions
Anna University Exam Part‒B Questions - Applied Physics I: Chapter 4: Oscillations and Waves
ANNA
UNIVERSITY PART B QUESTION
1.
Derive an expression for the period of oscillation of a torsion pendulum. How
can it be used to determine the torsional rigidity of a wire?
2.
Give the theory of torsion pendulum and describe a method to find the moment of
inertia of an irregular body.
3.
Derive an expression for the torsional couple per unit angular twist when a
cylinder is twisted.
4.
Derive an expression for couple per unit twist on a thin cylinder and show that
a hollow cylinder is better than the solid cylinder of the same material, same
mass and same length for manufacturing shafts.
5.
What is Torsion Pendulum? Explain how it is used to determine the rigidity
modulus of the material of a thin wire.
6.
What is Torsion pendulum? Explain how it is used to determine the amount of
inertia and rigidity modulus of the material of a thin wire.
7.
Write a brief note on standing and travelling waves.
8.
Derive the period of torsional pendulum and arrive at the equation of torsional
rigidity.
9.
How are standing waves produced? Derive the expression for the wave equation
for standing waves.
10.
What is Torsion pendulum? Derive the equation for rigidity modulus of a thin
wire using torsion pendulum. (May 2025)
ADDITIONAL PART B
QUESTIONS
1.
What is meant by motion? Detail the different types of motion with examples.
2.
What is meant by simple harmonic motion? Arrive at the differential equation
for a particle executing SHM.
3.
Explain free vibrations, damped vibrations and forced vibrations giving one
example of each.
4.
Derive the expression for torque per unit twist of a wire.
5.
Derive an expression for the time period of a torsion pendulum. How will you
find a rigidity modulus of a wire by using this method?
6.
Explain the formation of standing waves at various interval of time.
7.
Derive a stationary wave equation and show that the rate of energy transfer in
a stationary wave is zero.
Applied Physics I: Chapter 4: Oscillations and Waves : Tag: Applied Physics : - Oscillations and Waves: Important part‒B questions
Applied Physics I: Chapter 4: Oscillations and Waves
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Applied Physics I
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