Humans see best in the yellow-green region of the spectrum. So the efficiency of sodium yellow-green lamps that illuminate highways is
A) higher.
B) lower.
C) not affected.
Answer: A
Physics & Space Science
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When myopia is corrected surgically, the shape of the ________ is changed
Fill in the blank(s) with correct word
Physics & Space Science
Which one of the following IS NOT a characteristic of terrestrial planets?
a. low average density b. orbits inside the asteroids c. craters in old surfaces d. small diameters e. very few satellites
Physics & Space Science
When a rigid body rotates about a fixed axis all the points in the body have the same tangential speed
Indicate whether the statement is true or false
Physics & Space Science
According to recent estimates, genetic contributions to the development of most psychological disorders are _________. *
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science