Two emerging beams of light produced by a birefringent crystal
A) are at different frequencies.
B) will produce an interference pattern when recombined.
C) are polarized in the same direction.
D) are polarized in mutually perpendicular directions.
E) are at 90° with respect to one another.
D
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Which of the following is not a physical property of pure aluminum?
(a) Low density (b) High specific yield strength (c) Good ductility at low temperatures (d) Oxidation resistant in air
In the context of supernova explosions, the _____ is a young remnant, only about 960 years old and about 9 ly in diameter
A) Lagoon Nebula B) Carina Nebula C) Eagle Nebula D) Crab Nebula
A 13000 N vehicle is to be lifted by a 25 cm diameter hydraulic piston. What force needs to be applied to a 5.0 cm diameter piston to accomplish this?
A) 260 N B) 520 N C) 2600 N D) 5200 N E) 13000 N
A hydraulic lift raises a 2 000-kg automobile when a 500-N force is applied to the smaller piston. If the smaller piston has an area of 10 cm2, what is the cross-sectional area of the larger piston?
a. 40 cm2 b. 80 cm2 c. 196 cm2 d. 392 cm2 e. 160 cm2