1. Define linear simple harmonic motion? 
2. State where is type of equilibrium? 
3. What are damped oscillation?
4. State condition for critical damped motion?
5. Define resonance  forced oscillation?
6. What is wave 
7. What is Doppler effect? 
8. Define reverberation hall?
9. Define log decrement?
10. Define the term log decrement drive an expression of it? 
11. Did various characteristics of sound the intensity of two sounds are 1.2 ×10? w/m² and 5× 10^-10 W/m² respectively. Determine their relative loudness in decimal s?
12. If ?=Alpha .e^I\'m (x-c+) represent the equation of waves motion?
13. In case of force oscillator the amplitude of oscillation increase from 1 mm at every low frequency to 100 mm at the amplitude resonant angular frequency what is the quality factor of the force oscillator? 
14. Where are lissajous figures ? What are there use? How they are produced by electrical method?
15. Show that The Doppler effect in sound is asymmetric tric in nature?
16. The amplitude of simple pendulum of the prayers five second faus to hub of its initial value in 230.0 seconds determine the quality factor?
17. A longitudinal disturbance generated by in earthquake travel 960 km in 2 minute find average density of the rock given balk  modules of the rock is =2×10¹¹  N/m² ?
18. What are the couple oscillations?
19. Calculate the change of intensity level when intensity of the sound increase 100 time to original intensity?