What is the phase difference between two points on a wave that are half a wavele

What is the phase difference between two points on a wave that are half a wavelength apart?

What is the phase difference between two points on a wave that are half a wavelength apart?

Correct Answer: π radians

Step 1: Understand what a wavelength is. A wavelength is the distance between two consecutive points on a wave that are in the same phase (like two peaks or two troughs).
Step 2: Know that a full wave (one complete cycle) corresponds to a phase change of 2π radians.
Step 3: Realize that half a wavelength is half of the full wave. Therefore, half a wavelength corresponds to a phase change of 2π radians divided by 2.
Step 4: Calculate the phase difference: 2π radians / 2 = π radians.
Step 5: Conclude that the phase difference between two points on a wave that are half a wavelength apart is π radians.

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