The figure below shows a radio wave transmitter and a receiver separated by a distance d = 50 distance d = 50, 0 m, both being at a height h = 35, 0 m above the ground. The receiver can The receiver can receive signals either directly or indirectly from reflected signals on the ground. Suppose that the ground is leveled and a 180o phase shift occurs in the reflection. Determine the longest wavelengths that interfere a. constructively; b. destructively.

The figure below shows a radio wave transmitter and a receiver separated by a distance d = 50 distance d = 50, 0 m, both being at a height h = 35, 0 m above the ground. The receiver can The receiver can receive signals either directly or indirectly from reflected signals on the ground. Suppose that the ground is leveled and a 180o phase shift occurs in the reflection. Determine the longest wavelengths that interfere a. constructively; b. destructively.

Horizons: Exploring the Universe (MindTap Course List)

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Chapter20: Astrobiology: Life On Other Worlds

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Concept explainers

Diffraction of light

In physics, the term diffraction is defined as the bending of light around the corners of the obstacle. As a light ray passes by an aperture, it bends around the edges or through slits, it spreads out through a narrow opening. The diffracted light will produce fringes of bright and dark or colored bands which are labeled as a diffraction pattern.

Question

The figure below shows a radio wave transmitter and a receiver separated by a distance d = 50
distance d = 50, 0 m, both being at a height h = 35, 0 m above the ground. The receiver can
The receiver can receive signals either directly or indirectly from reflected signals on the ground. Suppose that the
ground is leveled and a 180o phase shift occurs in the reflection.
Determine the longest wavelengths that interfere
a. constructively;
b. destructively.

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