The __________ states that a particle cannot be precisely localized
Fill in the blank(s) with correct word
uncertainty principle
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A meter stick having a rest mass of 1 kg moves past you. Your measurements show it to have a mass of 2 kg and a length of 1 m. How is the stick oriented, as observed by you?
A) perpendicular to its direction of motion B) parallel to its direction of motion C) It is impossible to say anything about the orientation without further information. D) Nonsense--if the stick's mass has increased to 2 kg, then it must be longer than 1 m.
When a hologram is illuminated with a beam of coherent light, it produces
A) both a real and a virtual image. B) only a real image of the object. C) only a virtual image of the object.
Polarization: Unpolarized light passes through a combination of two ideal polarizers. The transmission axes of the first polarizer and the second polarizer are at 30.0° to each other. What percentage of the original light gets through the combination?
A. 37.5% B. 50% C. 75% D. 100%
Which law explains why a skater can spin faster by pulling his arms closer to his body, or spin slower by spreading his arms out?
A) the law of gravity B) Newton's third law of motion C) the law of conservation of momentum D) the law of conservation of angular momentum E) the law of conservation of energy