Can light bend?

Answer

Yes, light can bend through diffraction and refraction. Diffraction is when light bends around a corner or a small opening and fills the larger space beyond it. Refraction is the bending of light when it transitions through different mediums, such as light seen in the air and entering into water.

Light travels at different speeds through different mediums, which causes refraction. When light passes from one medium to another, it slows down or speeds up. This causes the light to bend. Refraction is responsible for image formation in eyes and in cameras. Rainbows are also a result of refraction, where blue light is refracted more than red light.

Q&A Related to "Can light bend?"
Different substances allow light to travel through at different speeds. If light is going through water for example and then hits air the beam of light refracts or bends in accordance
http://www.ask.com/web-answers/Science/Physics/how...
change of medium causes light to bend
http://wiki.answers.com/Q/Why+light+bends+at+the+o...
1. Fill a glass about two-thirds of the way with water. Leave at least a few inches at the top of the glass empty so that you will be able to observe the results of the experiment
http://www.ehow.com/how_2086049_bend-light-refract...
The bending is caused by the massive object. That is, when a photon moves past a star, it's the star's gravity that causes it to deflect, regardless of whether the photon has mass
http://www.quora.com/Relativity/According-to-Einst...
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