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What type of diffraction occurs when light passes through a circular aperture?

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Question: What type of diffraction occurs when light passes through a circular aperture?

Options:

  1. Single-slit diffraction
  2. Double-slit diffraction
  3. Fresnel diffraction
  4. Fraunhofer diffraction

Correct Answer: Fresnel diffraction

Solution: 

When light passes through a circular aperture, it exhibits Fresnel diffraction, characterized by a pattern of concentric rings.

What type of diffraction occurs when light passes through a circular aperture?

Practice Questions

Q1
What type of diffraction occurs when light passes through a circular aperture?
  1. Single-slit diffraction
  2. Double-slit diffraction
  3. Fresnel diffraction
  4. Fraunhofer diffraction

Questions & Step-by-Step Solutions

What type of diffraction occurs when light passes through a circular aperture?
Correct Answer: Fresnel diffraction
  • Step 1: Understand what diffraction is. Diffraction is the bending of light waves when they encounter an obstacle or opening.
  • Step 2: Identify the type of opening. In this case, we are looking at a circular aperture, which is a round hole.
  • Step 3: Recognize that when light passes through this circular hole, it doesn't just go straight through. Instead, it spreads out.
  • Step 4: Learn about Fresnel diffraction. This type of diffraction occurs when light waves pass through an opening and create a specific pattern.
  • Step 5: Observe the pattern created. When light diffracts through a circular aperture, it forms concentric rings around the center.
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