state the similarities in the method of refraction at plane surface and refraction at curved surface in different directions
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Physics > Ray Optics and Optical Instruments > Refraction at Spherical Surface and By Lenses
Ray Optics and Optical Instruments
Refraction at Spherical Surface and By Lenses
Every one of us has used the spherical lenses in some way or the other. The lens we use in spectacles, the mirror of our vehicle, is nothing but the spherical surface. But do you know what causes refraction in the spherical surface? Let us study in detail about spherical surface and also about refraction in lenses.
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Refraction at Spherical Surface
Let us now see the refraction of light at the spherical surface. Now, the change in direction or bending of a light wave passing from one transparent medium to another caused by the change in wave’s speed is the Refraction. Suppose the above figure is a spherical surface. There is one medium with refractive index n1 and second medium with refractive index n2.
There is an object O and a ray of light from the object O is incident on the spherical mirror. Since it is moving from a rarer medium to a denser medium, the ray bends towards the normal. An image is formed and radius of curvature of a spherical surface is R with the center C of the spherical surface.
Answer:
Every one of us has used the spherical lenses in some way or the other. The lens we use in spectacles, the mirror of our vehicle, is nothing but the spherical surface. But do you know what causes refraction in the spherical surface? Let us study in detail about spherical surface and also about refraction in lenses.
Reflection of Light
Refraction at spherical surface
Introduction to Refraction
Solve
Questions
Refraction at Spherical Surface
Let us now see the refraction of light at the spherical surface. Now, the change in direction or bending of a light wave passing from one transparent medium to another caused by the change in wave’s speed is the Refraction. Suppose the above figure is a spherical surface. There is one medium with refractive index n1 and second medium with refractive index n2.
There is an object O and a ray of light from the object O is incident on the spherical mirror. Since it is moving from a rarer medium to a denser medium, the ray bends towards the normal. An image is formed and radius of curvature of a spherical surface is R with the center C of the spherical surface.