Sunlight reflected from the surface of a lake
A) is unpolarized.
B) tends to be polarized with its electric field vector parallel to the surface of the lake.
C) has undergone refraction by the surface of the lake.
D) tends to be polarized with its electric field vector perpendicular to the surface of the lake.
E) is totally polarized.
Question 2
Optical SETI is useful for
A) focused communication over short distances and in particular directions
B) communication over wide areas and large distances
C) communication over large distances in directions where interstellar dust is not present
D) communication with civilizations which surround similar stars to our Sun and hence have evolved to see visible radiation
Sunlight Vitamin D
Controlling Surface Runoff
Lake Sørvágsvatn in Faroe Islands
Frederic Edwin Church conveyed the romantic sensibility in Twilight in the Wilderness (1860). The cl
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