B.Sc. (I YEAR) SEMESTER-II PHYSICS MODEL QUESTION PAPER ADIKAVI NANNAYA UNIVERSITY
https://www.computersprofessor.com/2017/04/bsc-i-year-semester-ii-physics-model.html
ADIKAVI NANNAYA
UNIVERSITY::RAJAHMUNDRY
B.Sc. (I YEAR) PHYSICS w.e.f. 2016-17
Admitted Batch
PHYSICS MODEL QUESTION PAPER
SEMESTER-II (FOR MATHEMATICS
COMBINATION)
PAPER II: WAVES & OSCILLATIONS
Time:3 Hours Max.marks:75
SECTION-A
5X5=25M
Answer any FIVE questions
1. What is Simple Harmonic Motion. Write
its physical characteristics.
2. Write as short note on logarithmic
decrement.
3. Write transverse laws of vibrating
strings.
4. Derive expression for frequency of
vibration bar free at both ends.
5. Write any five applications of
ultrasonic waves.
6. A spring is stretched by mass of 1kg.
Its extension is 10cm.Calculate force constant.
7. A flexible string of length 1m and
mass 1gm is stretched to tension T. The string is found to vibrate in three
segments at frequency of 512Hz. Calculate the tension in string.
8. A Piezo electric crystal with vibrating
length 3x10-3 m. has density 3.5x103 kg/m3 . It its made of a material of
young’s modulus 8x1010 N/m2 .What is its fundamental frequency.
SECTION-B
Answer all Questions
5x10=50M
1. a)Describe an experiment to determine
acceleration to gravity using compound pendulum
(or)
b) Discuss the linear combination of two
mutually perpendicular simple harmonic motions of equal frequencies.
2. a)What are damped oscillations. Derive the
equation of motion of damped harmonic oscillator and obtain its solution.
(or)
b) What
are forced oscillations. Obtain an expression for amplitude of forced
oscillations.
3. a)State and explain Fourier theorem
and evaluate Fourier coefficients.
(or)
b) Analyse square wave using Fourier theorem
4. a) Derive an expression for the
velocity of transverse wave along stretched string.
(or)
b) Derive an expression for the
velocity of longitudinal waves along bar and write its general solution.
5. a) Explain the production of
ultrasonic waves using piezoelectric effect.
(or)
b) Explain the production of
ultrasonic wave using mangnetostriction method.
