Master the Mysteries of Photons and Wave-Particle Duality
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Questions and Answers

What is the phenomenon called when light waves behave like particles and waves?

wave-particle nature of light or wave-particle duality

What is the evidence for the wave-particle nature of light?

photoelectric effect, diffraction and interference of light in Young's Double Slit experiment

What is the photon model of light?

Electromagnetic waves carrying energy in discrete packets

What is the interaction of light with matter called?

<p>photoelectric effect</p> Signup and view all the answers

What is the diffraction and interference of light in Young's Double Slit experiment evidence for?

<p>Light propagating through space as a wave</p> Signup and view all the answers

What is the definition of electric current?

<p>Electric current is defined as the rate of flow of positive charge carriers.</p> Signup and view all the answers

What are the units of measurement for electric current?

<p>Electric current is measured in units of amperes (A) or amps.</p> Signup and view all the answers

What is the symbol used to represent current?

<p>The symbol used to represent current is I.</p> Signup and view all the answers

What is the equation that relates charge, current, and time?

<p>The equation is $I = \frac{\Delta Q},{\Delta t}$, where $I$ is the current (A), $\Delta Q$ is the change in charge (Q), and $\Delta t$ is the time interval (s).</p> Signup and view all the answers

What happens when two oppositely charged conductors are connected together?

<p>When two oppositely charged conductors are connected together, charge will flow between the two conductors, causing a current.</p> Signup and view all the answers

What is the equation that relates charge, current, and time?

<p>$I = \frac{\Delta Q}{\Delta t}</p> Signup and view all the answers

What are the units of measurement for electric current?

<p>Amperes (A) or amps</p> Signup and view all the answers

What is the symbol used to represent current?

<p>I</p> Signup and view all the answers

What is the definition of electric current?

<p>Electric current is defined as the rate of flow of positive charge carriers</p> Signup and view all the answers

What happens when two oppositely charged conductors are connected together?

<p>Charge will flow between the two conductors, causing a current</p> Signup and view all the answers

Study Notes

Wave-Particle Duality of Light

  • Light exhibits wave-particle duality, meaning it can behave as both waves and particles.
  • The wave-particle nature of light is evident in its ability to exhibit diffraction and interference patterns, as well as displaying particle-like behavior.

Photon Model of Light

  • The photon model of light describes light as composed of particles called photons.
  • Photons have both wave-like and particle-like properties.

Interaction of Light with Matter

  • The interaction of light with matter is called electromagnetic radiation.

Young's Double Slit Experiment

  • The diffraction and interference of light in Young's Double Slit experiment demonstrate the wave-like nature of light.
  • The experiment shows that light passing through two slits creates an interference pattern on a screen.

Electric Current

  • Electric current is the flow of electrons through a conductor.
  • The units of measurement for electric current are amperes (A).
  • The symbol used to represent current is I.
  • The equation that relates charge, current, and time is I = Q / t, where I is current, Q is charge, and t is time.
  • When two oppositely charged conductors are connected together, the electrons flow from the negatively charged conductor to the positively charged conductor, resulting in the neutralization of the charges.

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Description

Test your knowledge of photons and wave-particle duality in A Level Physics OCR with this quiz. Explore topics such as the nature of photons, the electronvolt, determining the Planck constant, electron diffraction, and the de Broglie equation. Get ready to ace your exam with this comprehensive quiz.

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