If Euclid is right, then ?o is
A) zero. B) 0.3. C) 1.0. D) 2.0. E) infinite.
C
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A scientific theory can be proven true if the correct experiments are performed
a. True b. False Indicate whether the statement is true or false
Camera #1 has a lens of diameter 2.0 cm with a focal length of 5.0 cm, camera #2 has a lens of diameter 1.5 cm with a focal length of 4.5 cm, and camera #3 has a lens of diameter 1.1 cm with a focal length of 3.3 cm. Assuming all the cameras use the same type film and have a shutter speed of 1/200 s, which camera can give the best exposure at the lowest light level?
1.#3 2.#2 3.#2 and #3 are both equal and better than #1. 4.#1
What do models suggest make up the clouds on "hot Jupiters"?
A) ammonia B) methane C) water D) rock dust E) sodium
The function of polarizing filters in viewing 3-D slides or movies is to provide each eye
A) the ability to see parallax. B) a balanced intensity. C) an independent left or right-eye view. D) a stereoscopic view. E) with light polarized at right angles to each other.