Physics Problems 276

# Physics Problems 276 - 3 Interference and di²raction...

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Chapt. 36 Interference Multiple-Choice Problems 036 qmult 00100 1 4 5 easy deducto-memory: interference 1. “Let’s play Jeopardy ! For \$100, the answer is: It happens when you mix waves of just about any wave phenomena.” a) What is friction, Alex? b) What is a contact force, Alex? c) What is polarization, Alex? d) What is the prime directive, Alex? e) What is interference, Alex? 036 qmult 00200 1 1 1 easy memory: superposition principle 2. The superposition principle is name for the fact that waves that are su±ciently small can be added: a) linearly. b) quadratically. c) inversely. d) negatively. e) sincerely. 036 qmult 00300 1 1 4 easy memory: interference criterion
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Unformatted text preview: 3. Interference and di²raction e²ects are small for a wave front breaking obstacle or aperture of characteristic size d when: a) λ/d >> 1. b) λ/d = 1. c) λ/d ≈ 1. d) λ/d << 1. e) λd >> 1. 036 qmult 00400 1 1 1 easy memory: visible range 4. The wavelength range of human vision is: a) ∼ . 4–0 . 7 μ m. b) ∼ . 1–1 . μ m. c) ∼ . 4–0 . 7 m. d) ∼ . 4–0 . 7 km. e) ∼ . 7–2 . 5 μ m. 036 qmult 00500 1 1 2 easy memory: quantum electrodynamics 5. The best theory of electromagnetism known is a) Classical or Maxwellian electrodynamics. b) quantum electrodynamics (QED)....
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