Hypermetropia: identify it, its causes, and its correction
The same question, asked 3 times: 2024*, 2025*, 2026. Every wording below, oldest first.
Try each one first, then open its answer.
Question 1
2024
24When do we say that a particular person is suffering from hypermetropia ? List two causes of this defect. Name the type of lens used to correct this defect.Question 2
2025
25 (a)A student has difficulty in reading his textbooks but can read the blackboard clearly while sitting in the last row. Name the defect of vision the student is suffering from. List two reasons due to which this defect arises. Write the nature of the lenses required to correct this defect.Question 3
2025
31A person has to keep reading material much beyond 25 cm (say at 50 cm) from the eye for comfortable reading. Name the defect of vision he is suffering from. List two causes responsible for arising of this defect. Draw a labelled diagram showing correction of this defect using eye-glasses. Are these glasses convergent or divergent of light ?Question 4
2026
37(a) What is hypermetropia ? (b) Write any one cause of hypermetropia. (c) With the help of a suitable ray diagram, explain how hypermetropia is corrected ?Question 5
2026
35A person is unable to read a book placed closer than 1 meter from his eyes. Identify the defect of vision in his eyes. Draw the ray diagrams to show the defect of vision and its correction.