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To restore clear vision in… (Class 10 Science 2026, Q31)

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ScienceCBSE Class 10 · Board exam 2026, set 31/5/1 · 1 mark · MCQ

CBSE Class 10 Science 2026: question 31

Set in the CBSE Class 10 board exam of 2026, paper 31/5/1, section C, question 31, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q31 · 1 mark · MCQThe Human Eye and the Colourful World

To restore clear vision in persons whose size of the eye ball has reduced, he/she is suggested to use suitable

  1. (A)Converging lens
  2. (B)Diverging lens
  3. (C)Bifocal lens
  4. (D)Cylindrical lens

Source: official question paper from cbse.gov.in (PDF). See it in the full 2026 board paper, set 31/5/1.

Hints

Open one hint at a time and try again before the next.

Hint 1

In a shortened eyeball, where does the image form relative to the retina?

Hint 2

Name this defect and the lens used to correct it.

Step-by-step solution

Each step shows the marks it earns, as an examiner would award them. Checked by an independent re-solve from the question paper.

  1. When the eyeball is too short, the image of a near object forms behind the retina. This defect is hypermetropia.

  2. It is corrected with a convex (converging) lens. Answer: (A).

    1 mark

Answer: (A) Converging lens

Where the marks are

  • Hypermetropia corrected by convex lens (1 mark)

Revise the chapter

Practise this chapterBoard-style questions from The Human Eye and the Colourful World, one at a time, marked against the answer key and marking points.Back to the full paper2026 board paper, set 31/5/1: every question, by section.

The question is transcribed from the official paper; figures are described in words. The solution, hints and chapter tag are ours. Spotted an error? Write tosupport@questionbuddy.in.