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Yes. Light traveling in the same medium, travels in a straight path. It gets refracted only when it hits obliquely with another medium.

In olden days scientists thought light is supposed to travel as a ray. Ray meant continuous passage of tiny particles.

As understanding gets evolved now we think that light is an electromagnetic wave

(not a mechanical wave).

Mechanical wave certainly needs a material medium to get propagated where as the electromagnetic wave can even pass through free space, usually we call as vacuum.

Its gets diffracted, that is bent at the edges of obstacles, when it meets such.

cii nahh.

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11y ago
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10y ago

In straight lines.

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Q: Why light travels in a straight line in a given medium?
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Continue Learning about General Science

Through what medium does light travel?

Light travels through a vacuum, and through the densest metals (though not usually very far). But then gamma radiation and radio waves are examples of light...


A substance that a wave travels through is called a?

The material through which a wave travels is called a medium.


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Light energy.


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They are light travels in a straight line and light cannot pass through opaque objects./ some light cannot pass through translucent objects.


Do all transparent objects or substances bend light the same amount?

No. The amount that a particular medium bends light is related to the speed of light within that medium, not its transparency. The medium that light travels through affects the light's speed, and the greater the reduction of speed, the greater the angular distortion. For example, light travels faster through normal air than through glass or water, so when light hits a sheet of glass or a water droplet at an angle, it slows down and changes direction; when it hits the other side of the glass or water droplet and goes back into air it speeds up and changes direction again. if the two sides are perfectly parallel the light travels on in the same direction, but if they are not (as in a prism or a round water droplet), the light can continue on in a different direction. in fact, different wavelengths of light are deflected different amounts by entry into or exit from a given medium, which is what produces spectrums from prisms and rainbows from suspended water droplets. You can test this in a pool, pond, or bathtub: notice how when you look straight down into the water things are not very distorted (though they appear to be a little closer than you'd expect), but when you bend down and look into the water at an angle, objects that are straight look like they have a distinct bend in them.

Related questions

How demonstrate to a friend that light travels in a straight line in a given medium?

Difficult. It doesn't. But not so we'd notice as short distances.


When does light travel in a straight line?

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When does light traveling a straight line?

travels through a uniform medium


What causes light rays to refract?

light travels in straight path and when speed of medium in which light travels change then it refract due to change in speed light rays bend and refract


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Why is it important to explain the speed of light together with the medium in which the light travels?

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What is the proof that light travels in straight light?

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Yes, it travels in waves, but it doesn't need a medium.


What do you call the straight path that light travels?

light travels in straight paths called rays


What kind of wave does light travel in?

I have the straight answer from the Internet and my science teacher that light travels in the motion of waves.