Question

A student sitting at the back bench in a class has difficulty in reading. What could be his defect of vision? Draw ray diagrams to illustrate the image formation of the blackboard when he is seated at the (i) back seat (ii) front seat. State two possible causes of this defect. Explain the method of correcting this defect with the help of a ray diagram.

Answer 1

the defect myopia and near sightedness . this defect is generally arises when the size of the eyeball becomes too large and image forma before the retina.this defect can be corrected by the use of concave lens.
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Answer 2

The detailed answer is in the attachment.

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