PD-1 Consider five different waves, each with amplitude A, which meet at the same point in space at the same moment in time. The phase difference between successive waves is 45°. (a) Construct a phasor diagram showing the addition of these waves. (b) What is the amplitude of the resultant wave (in terms of A)? (c) What is the phase difference between the first wave in the phasor diagram and the resultant wave?

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**Title: Wave Superposition and Phasor Diagrams**

**PD-1: Superposition of Waves with Phase Differences**

Consider five different waves, each with amplitude \( A \), which meet at the same point in space at the same moment in time. The phase difference between successive waves is \(45^\circ\).

**(a) Phasor Diagram Construction:**  
To illustrate the addition of these waves, construct a phasor diagram. A phasor is a vector that represents the amplitude and phase of a wave. 

- Begin by drawing the first phasor horizontally, representing the first wave with amplitude \( A \).
- The second wave's phasor should be drawn at a \(45^\circ\) angle relative to the first.
- Continue this pattern for the remaining waves, each successive phasor leading by an additional \(45^\circ\).
- You will have a total of five phasors, each with a \(45^\circ\) increment from the previous one.

**(b) Amplitude of the Resultant Wave:**  
The resultant wave is the vector sum of all the individual phasors. Calculate the magnitude of this resultant vector using vector addition methods. The amplitude can be derived through the formula considering geometric or trigonometric relationships.

**(c) Phase Difference:**  
Determine the phase difference between the first wave in the phasor diagram and the resultant wave. This involves identifying the angle between the first phasor and the resultant vector.

By analyzing these aspects, you understand the complex interplay of waves and the precise impact of phase differences on wave superposition.
Transcribed Image Text:**Title: Wave Superposition and Phasor Diagrams** **PD-1: Superposition of Waves with Phase Differences** Consider five different waves, each with amplitude \( A \), which meet at the same point in space at the same moment in time. The phase difference between successive waves is \(45^\circ\). **(a) Phasor Diagram Construction:** To illustrate the addition of these waves, construct a phasor diagram. A phasor is a vector that represents the amplitude and phase of a wave. - Begin by drawing the first phasor horizontally, representing the first wave with amplitude \( A \). - The second wave's phasor should be drawn at a \(45^\circ\) angle relative to the first. - Continue this pattern for the remaining waves, each successive phasor leading by an additional \(45^\circ\). - You will have a total of five phasors, each with a \(45^\circ\) increment from the previous one. **(b) Amplitude of the Resultant Wave:** The resultant wave is the vector sum of all the individual phasors. Calculate the magnitude of this resultant vector using vector addition methods. The amplitude can be derived through the formula considering geometric or trigonometric relationships. **(c) Phase Difference:** Determine the phase difference between the first wave in the phasor diagram and the resultant wave. This involves identifying the angle between the first phasor and the resultant vector. By analyzing these aspects, you understand the complex interplay of waves and the precise impact of phase differences on wave superposition.
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