32.
33.
34.

35.

C 62589
3
Section E

Write any two questions.
10 marks each.

irders.
‏شحرسیت‎ determine Y¥ by bending of a beam. Describe about I form of Gi

| ight line.
i i iods in a straig
Discuss about the composition of two simple harmonic motions of equal peri
What is longitudinal wave motion ‏؟‎ 0
rods.

jtudinal waves in
btain an expression for the velocity of longitudinal
Describe the following :
(a) Noise pollution.
(b) Acoustic grating.
\
(०) Reverberation.

= 20
(d) Applications of ultrasonic waves. ‏کس‎