Why do we use lenses of very thin aperture?

So that we do not waste too much glass

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So that the ray passing through optical centre goes un-deviated

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Thin lens has large focus

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All of these

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Solution

The correct option is B
So that the ray passing through optical centre goes un-deviated

More the thickness of glass slab more is the deviation so, the centre of the lens is similar to a glass slab. We make the lenses thin so that the light ray goes undeviated if it falls on pole.

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Similar questions

We use very thin lens, so that a light ray passing through its optical centre goes un-deviated.

Q. The ray passing through the _____ of the lens is not deviated.

1. Optical Centre

2. Focus

Answer in just 1-4sentences.how do you conclude that a ray of light incident towards the optical centre of a thin lens is transmitted without any deviation

Why doesn't a ray of light passing through the optical centre of a lens deviate?

The smaller the focus of a convex lens, more its magnifying capacity, so why don't we use magnifying glasses with very small focal length?

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Why do we use lenses of very thin aperture?

The correct option is B So that the ray passing through optical centre goes un-deviated More the thickness of glass slab more is the deviation so, the centre of the lens is similar to a glass slab. We make the lenses thin so that the light ray goes undeviated if it falls on pole.

The correct option is B
So that the ray passing through optical centre goes un-deviated

More the thickness of glass slab more is the deviation so, the centre of the lens is similar to a glass slab. We make the lenses thin so that the light ray goes undeviated if it falls on pole.