The phenomenon you talk about is called "Refraction". You an find an explanation, with diagrams, in the Wikipedia article on "Refraction". Basically, the change of direction is related to the change in the speed of the wave.
When a light wave moves from one medium to another of different density (eg air to water), it refracts (bends) and slows down. The refracted angle of a ray of light can be calculated using snell's law:
n(1)*Sin(angle1) = n(2)*Sin(angle2)
where n(1) = speed of light in vacuum/speed in medium(1)
The higher the density the more the light is refracted and slowed down.
A fraction of the wave will also be reflected. The larger the density difference, the more of the wave is reflected. If the wave reaches a boundary of greater density, the reflected ray undergoes a 180 degree phase shift.
If you wanted to know the behaviour of other waves, then i dont know, sorry.
It is refracted.
Refraction
speed
friction
friction
it is the frictional force or force of friction that resists the motion of one surface over the another. but, interestingly, it is the force which helps us to walk, to swim... aman gupta
Push a box across a surface with a downward angle because gravity is helping.
"surface tension"
the force that opposes the motion of two touching surfaces is velocity.
"friction"
friction
Friction
friction
friction
Friction.
You have answered your own question. Because you moved across the boundary from one tower, possibly owned by somebody else, to another. Cell phone companies try to keep things integrated within their network, but are not able to control the permissions on all towers owned by different entities.
A force that resists motion of one surface across another surface is called FRICTION(or FRICTIONAL FORCE)
translation
Pretty sure that's friction you're describing.
The "limes" or fortified boundary lines across northern Britain are Hadrian's Wall and the Antonine Wall.The "limes" or fortified boundary lines across northern Britain are Hadrian's Wall and the Antonine Wall.The "limes" or fortified boundary lines across northern Britain are Hadrian's Wall and the Antonine Wall.The "limes" or fortified boundary lines across northern Britain are Hadrian's Wall and the Antonine Wall.The "limes" or fortified boundary lines across northern Britain are Hadrian's Wall and the Antonine Wall.The "limes" or fortified boundary lines across northern Britain are Hadrian's Wall and the Antonine Wall.The "limes" or fortified boundary lines across northern Britain are Hadrian's Wall and the Antonine Wall.The "limes" or fortified boundary lines across northern Britain are Hadrian's Wall and the Antonine Wall.The "limes" or fortified boundary lines across northern Britain are Hadrian's Wall and the Antonine Wall.