When the wave encounters an obstacle and reflects, or bounces back, toward its source, a wireless signal will bounce off objects whose surface dimensions are large compared with the signal's average wavelength. What is this phenomena called?

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Multiple Choice

When the wave encounters an obstacle and reflects, or bounces back, toward its source, a wireless signal will bounce off objects whose surface dimensions are large compared with the signal's average wavelength. What is this phenomena called?

Explanation:
Reflection is when a wave bounces off a boundary and travels back toward its source. The clue is that the obstacle’s surface is large compared with the wave’s wavelength, which makes the bounce resemble a mirror-like reflection rather than bending around edges. Refraction would be the change in direction as the wave enters a different medium, diffraction is bending around obstacles or openings, and absorption is loss of energy to the material. So the described phenomenon is reflection.

Reflection is when a wave bounces off a boundary and travels back toward its source. The clue is that the obstacle’s surface is large compared with the wave’s wavelength, which makes the bounce resemble a mirror-like reflection rather than bending around edges. Refraction would be the change in direction as the wave enters a different medium, diffraction is bending around obstacles or openings, and absorption is loss of energy to the material. So the described phenomenon is reflection.

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