The Einstein's Photoelectric Effect Quiz
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The Einstein's Photoelectric Effect Quiz

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@FortuitousHill7539

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Questions and Answers

According to the photoelectric effect, which of the following statements is true?

  • Light below a certain minimum threshold frequency can eject electrons.
  • Greater frequency of light results in greater energy of electrons. (correct)
  • Photons are massless particles that cannot transfer energy to electrons.
  • Light brightness is the only factor that determines the ejection of electrons.

    • What did Einstein propose in 1905 about light?

  • Light can only eject electrons when it is very bright.
  • Light is made up of particles called photons. (correct)
  • Light is unable to transfer energy to electrons during collisions.
  • Light is a wave that can eject electrons from metals.

    • What is the relationship between a photon's energy and its frequency?

  • The energy of a photon is not related to its frequency.
  • The energy of a photon is equal to its frequency.
  • The energy of a photon is directly proportional to its frequency. (correct)
  • The energy of a photon is inversely proportional to its frequency.

    • What is the value of Plank's constant?

    <p>6.63 x 10-34 Js</p> Signup and view all the answers

    Why does brighter light result in more electrons being ejected?

    <p>Brighter light has a greater number of photons.</p> Signup and view all the answers

    Which experiment did Rutherford conduct to study the structure of the atom?

    <p>The gold foil experiment</p> Signup and view all the answers

    What did Rutherford observe when he shot alpha particles at a thin sheet of gold foil?

    <p>Most alpha particles went straight through the gold foil</p> Signup and view all the answers

    What is the nuclear model of the atom proposed by Rutherford?

    <p>Most of the mass is concentrated in the nucleus</p> Signup and view all the answers

    What is the problem with the nuclear model of the atom proposed by Rutherford?

    <p>The electrons aren't going straight to the positively charged nucleus</p> Signup and view all the answers

    Why would orbiting electrons in the nuclear model slow down and be pulled into the nucleus?

    <p>Because moving charged particles emit electromagnetic radiation</p> Signup and view all the answers

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