Ramesh is sitting on the last bench in class- $10$ . He can read whatever is written by the teacher on the black board, but he cannot read clearly from the text book. So, of the following statement is true regarding his eyes?

There is defect in his retina

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His eye lens cannot become thin as required

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His eye lens cannot become thick as required

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A milky and cloudy layer is formed on the eye lens

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Solution

The correct option is C His eye lens cannot become thick as required
Ramesh is suffering from hypermetropia. In this condition, the image is formed behind the retina which leads to the formation of a blurred image. This is mainly caused due to the low converging power of eye lens because of weak action of ciliary muscles. It can be corrected by using a convex lens.

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Ramesh is sitting on the last bench in class-10. He can read whatever is written by the teacher on the black board, but he cannot read clearly from the text book. So, of the following statement is true regarding his eyes?

Ramesh is sitting on the last bench in class- $10$ . He can read whatever is written by the teacher on the black board, but he cannot read clearly from the text book. So, of the following statement is true regarding his eyes?