query: Why when light enters to another medium it changes its direction?
positive_passages.docid: 152064
positive_passages.text: Why does change in speed of a wave make it refract?
negative_passages.docid: 19829
negative_passages.text: Is light affected by gravity? Why?
negative_passages.docid: 85886
negative_passages.text: Polarization of light upon reflection
negative_passages.docid: 15372
negative_passages.text: How does light know which path is fastest?
negative_passages.docid: 108540
negative_passages.text: Why does light in a room not form constructive and destructive interference patterns?
negative_passages.docid: 54757
negative_passages.text: Why is the light reflected at the same angle from mirror?
negative_passages.docid: 86796
negative_passages.text: Why do waves diffract?
negative_passages.docid: 139062
negative_passages.text: Why does photon have to travel in sideways to hit the light clock?
negative_passages.docid: 28971
negative_passages.text: Do Photons Move in a Wave Like Pattern?
negative_passages.docid: 90147
negative_passages.text: Do light experience Doppler shift along and against frame dragging?
negative_passages.docid: 10296
negative_passages.text: Why doesn't the magnetic field polarize when polarizing light?
negative_passages.docid: 16599
negative_passages.text: Can the direction of angular momentum and angular velocity differ?
negative_passages.docid: 26074
negative_passages.text: Seeing strange things in light
negative_passages.docid: 103322
negative_passages.text: How can a red light photon be different from a blue light photon?
negative_passages.docid: 31156
negative_passages.text: Is light amplitude spatial?
negative_passages.docid: 4005
negative_passages.text: If refraction slows down light, isn't it possible to hold light still?
negative_passages.docid: 72913
negative_passages.text: Why does a light wave fade as it travels through space?