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Explain why objects appear smaller when viewed through them.

Question

Explain why objects appear smaller when viewed through them.

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Solution

Objects appear smaller when viewed through certain mediums due to the phenomenon of refraction. Here's a step-by-step explanation:

  1. Refraction is the bending of light as it passes from one medium to another. This happens because light travels at different speeds in different mediums.

  2. When light passes through a medium like a lens or water, it bends. This bending of light changes the direction and speed at which the light travels.

  3. If the medium is a converging lens (like a magnifying glass), it bends the light rays towards a single point known as the focal point. If the object is beyond the focal point, the light rays will diverge after passing through the lens, making the object appear larger.

  4. However, if the medium is a diverging lens (like in some glasses), it spreads out the light rays. This makes the light rays appear as if they are coming from a point closer to the lens than the object actually is. As a result, the object appears smaller.

  5. The brain interprets these diverging light rays as coming from a smaller object because it assumes the light rays are travelling in straight lines. This is why objects appear smaller when viewed through certain mediums.

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