Apr 12, 2013 ... 11. Identify the parts of wave and vibration: 12. Non-digital clocks have a second
hand that rotates around in a regular and repeating fashion.
Physics Worksheet
Vibrations and Waves
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11. Identify the parts of wave and vibration:
What is vibration? ________________________________________________ ________________________________________________ Vibrations and Waves 1. Define Period and write its symbol/unit: ________________________________________________ ________________________________________________ 2. Define Frequency and write its symbol/unit: ________________________________________________ ________________________________________________
12. Non-digital clocks have a second hand that rotates around in a regular and repeating fashion. The frequency of rotation of a second hand on a clock is _______ Hz.
3. What are the relation between Period and Frequency: ________________________________________________ ________________________________________________
Speed of Waves
4. If an electromagnetic wave has frequency 5.0 x 106 Hz, what is the period of the wave? What type of wave is that?
13. An echo (reflection of the scream off a nearby canyon wall) is heard 0.82 seconds after the scream. The speed of the sound wave in air is 342 m/s. Calculate the distance from the person to the nearby canyon wall.
5. If an electromagnetic wave has period 2.0 x 10-9 s, what is the frequency of the wave? What type of wave is that?
14. Speed of wave = ______________________________ = ______________________________ Formula: ____________________________________
6. What is wave? ________________________________________________ ________________________________________________
Units: _______________________________________ 15. The time required for the sound waves (v = 340 m/s) to travel from the 512-Hz tuning fork to 20 m away is?
7. What is crest? ________________________________________________ 8. What is trough? ________________________________________________ 9. What is amplitude? ________________________________________________
16. Mac and Tosh are resting on top of the water near the end of the pool when Mac creates a surface wave. The wave travels the length of the pool and back in 25 seconds. The pool is 25 meters long. Determine the speed of the wave.
10. What is wavelength? ________________________________________________ Mr. Lin
