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# Physics - Other

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1. How does wave amplitude change as waves propagate outward?
2. How does the resultant wave's wavelength change if we introduce two waves? Do you encounter similar effects in daily life?

##### Solution Summary

A complete, neat and step-by-step solution is provided to determine the wave amplitude change as waves propagate outwards and the resultant wave's wavelength change when introducing two waves. A diagram is attached in the external attachment for further understanding.

##### Solution Preview

(1) The amplitude of a wave depends on the size of the original disturbance and distance traveled. As the circle of waves radiating out from a pebble's plunge widens, the wave's crest lengthens and its height decreases proportionally to the square root of distance traveled. After some time and distance, it reaches its minimum amplitude.

(2) Interference is the superposition of ...

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