X PHYSICS
UNIT – VI
SOUND
1. Every system has its own frequency called ____________.
2. A wave undergoes a phase change of ____________ on reflection.
3. Distance between two successive nodes is ____________.
4. Distance between a node and the next antinode is ____________.
5. A medium transmits a sound wave through it by virtue of ____________.
6. In a stationary wave the point at which the displacement is maximum is called ________.
7. The frequency of a Tuning fork depends on its ____________.
8. The frequency of the simple pendulum depends only on its ____________.
9. Periodic vibrations of decreasing amplitude are called ____________.
10. A longitudinal progressive wave travels along its length in the form of ____________ and ____________.
11. The energy carried by the wave is the sum of ____________ and ____________ of the vibrating particles at every point.
12. In a ____________ wave, energy remains trapped in a fixed region.
13. Distance between two successive antinodes is ____________.
14. In a stationary wave, _____________ remains trapped in a fixed region. 15. ____________ waves are formed in a resonating air column.
16. In the second node of vibration the length of air column l2 = ____________.
17. Sound waves in air are ____________ waves.
18. In a stationary wave the points of minimum amplitude are ____________.
19. The oscillations of natural frequency are called ____________ oscillations.
20. The velocity of sound in vacuum is ____________.
21. Stationary waves are formed in a ____________ air column.
22. Phase difference between vibrating prongs of a tuning fork is ____________.
23. Velocity of sound on moon is ____________.
24. The sound waves formed in a resonating apparatus are ____________.
25. The number of antinodes between two nodes are ____________.
26. In a transverse wave the points of maximum amplitude are ____________.
27. The longest wave is ____________.
28. Velocity of sound at 30o C will be least through ____________.
29. The formula for the velocity of sound in air is ____________.
30. In a resonating air column ____________ waves are formed.
X PHYSICS
UNIT – VI
SOUND (Key)
(1) natural frequency (2) 180o or p radians (3) ?/2 (4) ?/4 (5) elasticity and inertia (6) antinode (7) dimensions (8) length (9) damped vibrations (10) Compressions, refractions (11) Potential energy, Kinetic energy (12) stationary (13) ?/2 (14) energy (15) stationary (16) 3?/4 (17) longitudinal (18) node (19) natural (20) zero (21) resonating (22) p radians (23) zero (24) stationary waves (25) one (26) trough (27) Radio wave (28) SO2 (29) V = v/p (30) stationary.
