Physics 1 Problem Solutions 302

Physics 1 Problem Solutions 302 - 298 Chapt 40 More About...

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Unformatted text preview: 298 Chapt. 40 More About Matter Waves a) b) c) d) e) What What What What What is is is is is an infinite square well, Alex? a finite square well, Alex? a finite squarish well, Alex? an atom, Alex? a nucleus, Alex? 040 qmult 01400 1 1 1 easy memory: causality, relativity 14. Einstein ruled out faster than light signaling because: a) b) c) d) e) it it it it it would cause irresolvable causality paradoxes. would not cause irresolvable causality paradoxes. led to irresolvable paradoxes in quantum mechanics. would destroy the universe. had been experimentally verified. 040 qmult 01500 1 1 3 easy memory: EPR paradox 15. The Einstein-Podolsky-Rosen (EPR) paradox was proposed to show that ordinary quantum mechanics implied superluminal signaling and therefore was: a) b) c) d) e) more or less correct. absolutely correct. defective. wrong in all its predictions. never wrong in its predictions. 040 qmult 01600 1 4 3 easy deducto-memory: Bell’s theorem 16. “Let’s play Jeopardy! For $100, the answer is: This theorem (if it is indeed inescapably correct) and the subsequent experiments on the effect the theorem dealt with show that quantum mechanical signaling exceeds the speed of light.” a) b) c) d) e) What What What What What is is is is is Dark’s theorem, Alex? Midnight’s theorem, Alex? Bell’s theorem, Alex? Book’s theorem, Alex? Candle’s theorem, Alex? Full-Answer Problems 040 qfull 00100 2 3 0 moderate math: real exponent exponentials 1. Consider the time-independent Schr¨dinger equation o − −2 ∂ 2 ψ h + V ψ = Eψ 2m ∂x2 with V constant and E < V . a) Verify that the exponential solutions ψ = e±κx satisfy Schr¨dinger’s equation when o κ= 2m(V − E ) . −2 h ...
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This note was uploaded on 11/16/2011 for the course PHY 2053 taught by Professor Buchler during the Fall '06 term at University of Florida.

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