How Does Light Travel, and Why Does It Bend in Water?
Light travels in straight lines called rays . It moves extremely fast and can pass through empty space, air, and some materials like glass and water . When light travels in the same material (like air), it keeps moving straight.
However, when light enters water from air, it slows down . Because of this change in speed, the light ray bends at the surface where air and water meet. This bending of light is called refraction . Refraction is why a straw in a glass of water looks bent and why swimming pools appear shallower than they really are .
https://youtu.be/Ode0orjQ0pY
Light travels in straight lines called rays . It moves extremely fast and can pass through empty space, air, and some materials like glass and water . When light travels in the same material (like air), it keeps moving straight.
However, when light enters water from air, it slows down . Because of this change in speed, the light ray bends at the surface where air and water meet. This bending of light is called refraction . Refraction is why a straw in a glass of water looks bent and why swimming pools appear shallower than they really are .
https://youtu.be/Ode0orjQ0pY
đ How Does Light Travel, and Why Does It Bend in Water? đĄđ§
Light travels in straight lines called rays đ. It moves extremely fast and can pass through empty space, air, and some materials like glass and water đ. When light travels in the same material (like air), it keeps moving straight.
However, when light enters water from air, it slows down đĸ. Because of this change in speed, the light ray bends at the surface where air and water meet. This bending of light is called refraction đ. Refraction is why a straw in a glass of water looks bent and why swimming pools appear shallower than they really are đâī¸â¨.
https://youtu.be/Ode0orjQ0pY
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