# What does the bottom of a swimming pool or tank of water appear to be raised?

## What does the bottom of a swimming pool or tank of water appear to be raised?

This is due to the refraction. This is because as the light rays transition and pass through the air-water interface, they get bent due to refraction. The light rays are bent away from the normal making us perceive the bottom of the pond or tank as shallow or raised.

## Why do objects at the bottom of an aquarium filled with water look closer than they really are?

An object seen in the water will usually appear to be at a different depth than it actually is, due to the refraction of light rays as they travel from the water into the air.

## Why do objects look weird in water?

An object seen in the water will usually appear to be at a different depth than it actually is, due to the refraction of light rays as they travel from the water into the air. If the angle of the beam is increased even farther, the light will refract with increasing proportion to the entry angle.

## Why is bottom of pond raised?

Solution. The rays of light coming from the bottom of a pond bend away from the normal as they travel from water (denser medium) to air (rarer medium). Hence, they appear to come from a point above the actual point from which they come. Therefore, the bottom of the pond appears raised.

## Why does something look bigger in water?

The surface of a water drop curves outward to make a dome. This outward, or convex, curvature bends light rays inward. The result is an enlarged image on the retina of your eye. The object appears bigger than it is.

## Why does a straw look bigger in water?

Place a straw in a glass of water, and behold: It looks broken. But below, when the light also travels through water, the refraction causes the image of the straw to be in a slightly different location. The water also acts as a type of magnifying lens, making the size of the straw seem larger than it actually is.

## Are things bigger underwater?

Looking from above, an object under water appears larger than it does in air. A closer image looks bigger–the underwater object is magnified.

## Why does a pencil look bigger in water?

The curved surface causes the light rays to bend slightly outward, like the spreading of a fan, as they pass through. That widens the image of the pencil that reaches your eye. It is the same “magnifying lens” phenomenon that makes things look fatter when viewed through a glass of water.

## What happens to light when it shines on water?

Water affects light rays in a similar way. When a light ray passes from air into water a similar thing occurs: the light ray is bent as it strikes the surface of the water. This ‘bending of a ray of light’ when it passes from one substance into another substance is called refraction.

## How can we see water if it’s clear?

For instance, water does indeed absorb some red light (that is why the ocean is blue), and water does indeed reflect some light (that is why there is glare from the sun on the water’s surface), but for the most part we can think of water as a clear material because transmission/refraction dominates.

## In which does light travel the fastest?

Light waves do not need a medium in which to travel but sound waves do. Explain that unlike sound, light waves travel fastest through a vacuum and air, and slower through other materials such as glass or water.

## What does a spoon look like in a glass of water?

A spoon half-immersed in a glass of water appears bent at the surface of the water. We know that this is due to refraction of light, which bends the rays of light at the surface, so that the retinal image of the spoon is illusorily bent.

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