If the polarizing angle for diamond is 67.5°, what is the index of refraction of this material?
a. 2.00
b. 2.20
c. 2.41
d. 2.65
c
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Which of the following compounds would not precipitate from an aqueous solution during a double-replacement reaction?
a. Cu(NO3)2 b. CuCO3 c. AgCl d. AlPO4
When you simultaneously drop a light tennis ball and a heavy bowling ball, they hit the floor
A) at the same speed. B) with the same force. C) with the same momentum. D) all of the above E) none of the above
Two parallel flat planes of positive charge are separated by a distance d. Plane #1 has charge density ?1 and plane #2 has a charge density ?2. ?1> ?2
(a) In the region between the planes, the magnitude of the electric field is (b) In the region outside the planes the magnitude of the electric field is
An object is placed near a concave mirror having a radius of curvature of magnitude 60 cm. How far should you place the object from the mirror so that the lateral magnification produced by the mirror will be +2.5?
A) 18 cm B) 24 cm C) 30 cm D) 36 cm E) 42 cm