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Q: When light is travelling through a medium does it travel in a straight or curved line?
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What is the medium of speed traveling through air?

Air is the medium (if you are talking about something travelling through it).


When light is travelling through a medium it travels in a?

it travel in a staight line


Velocity of sound depends on?

The medium through which it is propagating. For exampl if the sound waves are travelling in air they will move slower than those travelling through a wall speed of sound in solids > speed of sound in liquids > speed of sound in gases


How much the light is bending depends on what?

The amount light bends when travelling through a medium depends on the medium's refractivity or refractive index.


Do light waves travel towards or away when travelling through a slower medium?

towards the normal


What causses refraction?

The velocity of light (and other electromagnetic waves) depends on the medium through which it is travelling.


What can speed up light?

Travelling through a medium that is optically less dense. Vacuum is best.


What will light do when passing through a single medium?

Light will propage in "a straight line" when passing through a single medium. The "straight line" however bends depending on the gravitation curvature of the volume being passed through.


When light waves are travelling through a slower medium they move which way towards the normal?

away from the normal


When does light travel in a straight line?

travels through a uniform medium


When does light traveling a straight line?

travels through a uniform medium


What does refracting to light?

Any change in the refractive index of the medium through which the light is travelling causes refraction of light.