What happens to the image distance when the object is moved closer to a convex l

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Question: What happens to the image distance when the object is moved closer to a convex lens than its focal length? (2023)

Options:

Correct Answer: Image distance increases

Exam Year: 2023

Solution:

As the object is moved closer to the focal point of a convex lens, the image distance increases and the image becomes larger and virtual.

What happens to the image distance when the object is moved closer to a convex lens than its focal length? (2023)

What happens to the image distance when the object is moved closer to a convex lens than its focal length? (2023)

Step 1: Understand that a convex lens is a type of lens that bends light rays to converge at a point called the focal point.
Step 2: Know that the focal length is the distance from the lens to the focal point.
Step 3: When an object is placed closer to the lens than the focal length, it means the object is within the focal point.
Step 4: As you move the object closer to the lens, the light rays coming from the object diverge more.
Step 5: The lens will bend these diverging rays outward, and they will appear to come from a point behind the lens.
Step 6: This point where the rays appear to come from is where the virtual image is formed.
Step 7: The distance from the lens to this virtual image is called the image distance, and it increases as the object gets closer to the lens.

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