The spherical aberration of a lens is caused because light rays emerging from the lens are excessively refracted at the lens periphery. So, the correct answer is C.

Here's why:

Spherical aberration occurs when light rays pass through a spherical lens. The rays that pass through the center of the lens are refracted less than the rays passing through the edges or periphery of the lens. This difference in refraction causes the rays to converge at different points, creating a blurred or distorted image. This is because the lens periphery has a steeper curve than the center, causing the light rays to bend more.

By reducing the thickness of the lens periphery, the curve becomes less steep, and the light rays passing through the periphery are not bent as much. This helps to correct the spherical aberration as the light rays are now refracted more uniformly and converge at the same point, creating a clear and focused image.

Question

The spherical aberration of a lens is caused because light rays emerging from the lens are excessively refracted at the lens periphery. So, the correct answer is C.

Here's why:

Spherical aberration occurs when light rays pass through a spherical lens. The rays that pass through the center of the lens are refracted less than the rays passing through the edges or periphery of the lens. This difference in refraction causes the rays to converge at different points, creating a blurred or distorted image. This is because the lens periphery has a steeper curve than the center, causing the light rays to bend more.

By reducing the thickness of the lens periphery, the curve becomes less steep, and the light rays passing through the periphery are not bent as much. This helps to correct the spherical aberration as the light rays are now refracted more uniformly and converge at the same point, creating a clear and focused image.

Knowee AI · Accepted Answer

The spherical aberration of a lens is caused because light rays emerging from the lens are excessively refracted at the lens periphery. So, the correct answer is C.

Here's why:

Spherical aberration occurs when light rays pass through a spherical lens. The rays that pass through the center of the lens are refracted less than the rays passing through the edges or periphery of the lens. This difference in refraction causes the rays to converge at different points, creating a blurred or distorted image. This is because the lens periphery has a steeper curve than the center, causing the light rays to bend more.

By reducing the thickness of the lens periphery, the curve becomes less steep, and the light rays passing through the periphery are not bent as much. This helps to correct the spherical aberration as the light rays are now refracted more uniformly and converge at the same point, creating a clear and focused image.

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