If the intensity of light is doubled, what happens to the number of photoelectro

Practice Questions

Q1
If the intensity of light is doubled, what happens to the number of photoelectrons emitted?
  1. Doubles
  2. Halves
  3. Quadruples
  4. Remains the same

Questions & Step-by-Step Solutions

If the intensity of light is doubled, what happens to the number of photoelectrons emitted?
  • Step 1: Understand that light is made up of tiny particles called photons.
  • Step 2: Know that the intensity of light refers to how much light energy is present.
  • Step 3: Realize that doubling the intensity means there are now twice as many photons hitting a surface.
  • Step 4: Remember that each photon can cause the emission of one photoelectron when it hits a material.
  • Step 5: Conclude that if there are twice as many photons, then there will be twice as many photoelectrons emitted.
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