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Questions and Answers
According to the photoelectric effect, which of the following statements is true?
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?
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?
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?
What is the value of Plank's constant?
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Why does brighter light result in more electrons being ejected?
Why does brighter light result in more electrons being ejected?
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Which experiment did Rutherford conduct to study the structure of the atom?
Which experiment did Rutherford conduct to study the structure of the atom?
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What did Rutherford observe when he shot alpha particles at a thin sheet of gold foil?
What did Rutherford observe when he shot alpha particles at a thin sheet of gold foil?
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What is the nuclear model of the atom proposed by Rutherford?
What is the nuclear model of the atom proposed by Rutherford?
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What is the problem with the nuclear model of the atom proposed by Rutherford?
What is the problem with the nuclear model of the atom proposed by Rutherford?
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Why would orbiting electrons in the nuclear model slow down and be pulled into the nucleus?
Why would orbiting electrons in the nuclear model slow down and be pulled into the nucleus?
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