The Quantum Connection

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Questions and Answers

According to the de Broglie hypothesis, matter can behave like a

  • wave (correct)
  • medium
  • particle
  • photon

What is the relationship between mass and energy described by Einstein?

  • $E = mc^2$ (correct)
  • $E = mv^2$
  • $E = m^2c$
  • Mass and energy are unrelated

In classical physics, particles and waves were considered as

  • identical entities
  • indistinguishable entities
  • separate entities (correct)
  • interchangeable entities

The number of times a wave goes through a cycle in a given time is defined as

<p>frequency (A)</p> Signup and view all the answers

The Photoelectric Effect describes how light interacts with

<p>electrons (C)</p> Signup and view all the answers

According to the de Broglie relation, the wavelength of a particle is inversely proportional to its

<p>momentum (A)</p> Signup and view all the answers

Which equation represents the de Broglie relation?

<p>$\lambda = \frac{h}{p}$ (B)</p> Signup and view all the answers

What did the Davisson and Germer experiment in 1927 demonstrate?

<p>Particles can act like waves (A)</p> Signup and view all the answers

What is the significance of the de Broglie equation in quantum mechanics?

<p>It hints at the probabilistic nature of quantum mechanics (D)</p> Signup and view all the answers

What is the wavelength of an electron with a mass of $9.11 \times 10^{-31}$ kg and a velocity of $2.2 \times 10^6$ m/s?

<p>$4.96 \times 10^{-9}$ m (D)</p> Signup and view all the answers

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