A wave initially has an amplitude of 2m, but its amplitude soon changes to 4m. What is the new wave energy compared to the original wave energy? a. The new wave energy is double (2x) the original wave energy.  b. The new wave energy is the same as the original wave energy. c. The new wave energy is quadruple (4x) the original wave energy. d. The new wave energy is half (1/2) of the original wave energy.

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Stretched string

A stretched string is a wire which is made up of any metal that must have a larger length compared to its thickness. The ends of the wire are fixed, and when they oscillate or are plucked, it produces two reflected transverse waves of the same frequency and same amplitude. The waves or pulses are traveling in alternate directions and superimpose with one another. This waveform is named standing or stationary waves.