How many special rays are used in ray tracing to find the image of a lens?
A. 2
B. 3
C. 4
D. 5
Answer: B. 3
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The most likely first form of life on Earth was probably an archaea-like extremophile tolerant of high temperatures
a. True b. False Indicate whether the statement is true or false
What are complementary colors of light?
a. Colors that do not blend with one another. b. Colors that blend together to produce red, green, or blue. c. Colors that blend together to produce white. d. Colors that blend together to produce black. e. Colors that blend together to produce brown.
You throw a golf ball at a massive bowling ball at rest and the golf ball bounces backward from it. After the bounce, compared with the golf ball, the bowling ball has more
A) momentum, but less kinetic energy. B) kinetic energy, but less momentum. C) momentum and more kinetic energy. D) less momentum and less kinetic energy. E) not enough information
The calendar we presently use is the ______________ calendar
Fill in the blank(s) with correct word