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Questions and Answers
Why is it recommended to allow the wave to reflect several times?
Why is it recommended to allow the wave to reflect several times?
- To measure the total distance travelled and time taken to obtain an average for a more accurate result (correct)
- To increase the amplitude of the wave for a more accurate calculation
- To change the frequency of the wave for a more accurate measurement
- To decrease the wavelength of the wave for a more precise outcome
How can the speed of the wave be calculated?
How can the speed of the wave be calculated?
- By measuring the time taken for the wave to travel and using the formula speed = distance ÷ time (correct)
- By observing the pattern of the wave and using the formula speed = wavelength ÷ frequency
- By counting the number of reflections and using the formula speed = distance × number of reflections
- By measuring the amplitude of the wave and using the formula speed = amplitude × time
What does measuring the time taken for the wave to travel across the tray help determine?
What does measuring the time taken for the wave to travel across the tray help determine?
- The amplitude of the wave
- The speed of the wave (correct)
- The frequency of the wave
- The wavelength of the wave
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