What happens to the image distance when the object distance is increased in a co

Practice Questions

Q1
What happens to the image distance when the object distance is increased in a convex lens? (2022)
  1. Image distance decreases
  2. Image distance increases
  3. Image distance remains the same
  4. Image distance becomes negative

Questions & Step-by-Step Solutions

What happens to the image distance when the object distance is increased in a convex lens? (2022)
  • Step 1: Understand what a convex lens is. A convex lens is thicker in the middle and can focus light rays that come through it.
  • Step 2: Identify the object distance. This is how far the object (like a candle or a light bulb) is from the lens.
  • Step 3: Recognize that when you move the object further away from the lens, you are increasing the object distance.
  • Step 4: Know that a convex lens creates an image of the object. The position of this image depends on the object distance.
  • Step 5: Realize that as you increase the object distance, the image distance (how far the image is from the lens) also increases.
  • Step 6: Conclude that moving the object further away from the lens causes the image to move further away from the lens as well.
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