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Real depth Dr= Apparent depth/ refractive index of water

Dr= Da / n water

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What is the apparent depth of an object whose real depth below the water surface is 5 m?

The apparent depth of an object submerged in water can be calculated using the formula: apparent depth = real depth / refractive index. Since the refractive index of water is approximately 1.33, the apparent depth of an object 5 meters below the water surface would be around 3.76 meters.


What are the differences between real depth and apparent depth?

Real depth is the actual distance between two points in a medium, while apparent depth is the distance between those points as perceived by an observer due to the bending of light. Apparent depth is affected by the refractive index of the medium, causing objects to appear closer or further away than they actually are.


Why apparent depth is less than real depth?

Apparent depth is less than real depth due to the refraction of light as it passes from water to air. When light rays travel from a denser medium (like water) to a less dense medium (like air), they bend away from the normal, making objects submerged in water appear closer to the surface than they actually are. This bending of light causes our perception of depth to be distorted, leading to the phenomenon where objects look shallower than they truly are.


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The centrifugal force is an apparent (ficticious) force, caused by a rotational movement. The amount of the apparent centrifugal force can be calculated by the same formula as the amount of the real centripetal force.


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True power divided by apparent power?

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