1. According to the uncertainty principle, (a) There is always an uncertainty in a measurement of the...
Question:
1. According to the uncertainty principle,
(a) There is always an uncertainty in a measurement of the position of a particle.
(b) There is always an uncertainty in a measurement of the momentum of a particle.
(c) There is always an uncertainty in a simultaneous measurement of both the position and momentum of a particle.
(d) All of the above.
2. Which of the following is not always a property of lasers?
(a) All of the photons in laser light have the same phase.
(b) All laser photons have nearly identical frequencies.
(c) Laser light moves as a beam, spreading out very slowly.
(d) Laser light is always brighter than other sources of light.
(e) Lasers depend on an inverted population of atoms where more atoms occupy a higher energy state than some lower energy state.
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