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QUIZ 14 Nota means none of the above. |
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| 1. How far in terms of wavelength does the peak of a wave travel in 4 periods. |
| a. one fourth of a wavelength |
| b. 4 wavelengths |
| c. 2 wavelengths |
| d nota |
| 2. The vibrations of a transverse wave move in a direction |
| a. along the direction of motion |
| b. at right angles to the direction of motion |
| c .nota |
| 3.The vibrations of a longitudnal wave move in a direction |
| a. along the direction of motion |
| b. at right angles to the direction of motion |
| c .nota |
| 4. A transverse wave has wavelength 1 m and the frequency is 3 cycles per second, then the wave speed is |
| a. 3 m/s |
| b. 1/3 m/s |
| c. 6 m/s |
| d. 1/6 m/s |
| e. nota |
| 5. A standing wave can be thought as the sum of |
| a. two waves moving in the same direction |
| b. two waves moving in opposite directions |
| 6 In a transverse standing wave, a node is position of |
| a. zero or minimal transverse displacement |
| b. maximum transverse displacement |
| 7. A railroad locomotive is at rest with its whistle on starts moving away from you. The frequency that you hear will |
| a. increase |
| b. decrease |
| c. will not change |
| 8. In the previous problem, the wavelength reaching your ear will |
| a. increase |
| b. decrease |
| c. remain the same |
| 9. When the frequency of a wave increases, the wavelength |
| a. decreases |
| b. increases |
| c. remains the same |