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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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∙ 12y ago
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What causes light rays passing through it to refract?
double concave lens
What lenses refract light rays in toward a central point?
Convex lenses refract light rays in towards a central point. =()>
What happend to rays of light when they are refracted by a convex lens?
Now suppose that the rays of light are traveling through the focal point on the way to the lens. These rays of light will refract when they enter the lens and refract when they leave the lens. As the light rays enter into the more dense lens material, they refract towards the normal; and as they exit into the less dense air, they refract away from the normal. These specific rays will exit the lens traveling parallel to the principal axis.
Do X-rays refract or reflect light?
yes they do
When light rays enter a medium at an angle they?
The light rays will refract towards the normal of the medium and emerge out at the same angle.
What causes light to refract when it hits a piece of glass?
the light rays hit the piece of glass and the surface of the glass causes it to refract
What causes light rays passing through it to refract?
double concave lens
What lenses refract light rays in toward a central point?
Convex lenses refract light rays in towards a central point. =()>
Do X-rays refract or reflect light?
yes they do
What happend to rays of light when they are refracted by a convex lens?
Now suppose that the rays of light are traveling through the focal point on the way to the lens. These rays of light will refract when they enter the lens and refract when they leave the lens. As the light rays enter into the more dense lens material, they refract towards the normal; and as they exit into the less dense air, they refract away from the normal. These specific rays will exit the lens traveling parallel to the principal axis.
Why is it that stars twinkle for earth but not from the moon?
This is because the Earth's atmosphere has many layers which causes the rays of light coming from the stars to refract. This gives the effect that stars twinkle. The air around the moon does not have layers so the rays from the stars do not refract, and thus do not twinkle.
When light rays enter a medium at an angle they?
The light rays will refract towards the normal of the medium and emerge out at the same angle.
Do light rays reflect or refract when they hit a concave mirror?
refracts light waves
What happens to light rays as they pass through transparent minerals?
They bend or refract
What happens if the eye doesn't refract light rays correctly?
If the rays arer not refracted correctly by the parts, vision can be distorted or blurred.
What causes light to refract Give an example form everyday life?
Sex
Why does a swimming pool look not as deep as it actually is?
The rays of light refract from water to the air so they refract away from the normal and this means that the bottom of the pool seems less deep than it is.
