What happens to the image when the object is moved closer to a convex lens than

Practice Questions

Q1
What happens to the image when the object is moved closer to a convex lens than its focal length?
  1. Image disappears
  2. Image becomes real
  3. Image becomes virtual
  4. Image becomes inverted

Questions & Step-by-Step Solutions

What happens to the image when the object is moved closer to a convex lens than its focal length?
  • Step 1: Understand what a convex lens is. A convex lens is thicker in the middle and can bend light rays to focus them.
  • Step 2: Identify the focal length of the lens. The focal length is the distance from the lens to the point where light rays converge.
  • Step 3: Move the object closer to the lens than the focal length. This means the object is positioned between the lens and the focal point.
  • Step 4: Know that when the object is within the focal length, the light rays diverge after passing through the lens.
  • Step 5: Realize that the diverging rays appear to come from a point behind the lens, creating a virtual image.
  • Step 6: Understand that a virtual image cannot be projected onto a screen and is upright and larger than the object.
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